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The Mystery of the Secret Band

by Edith Lavell · English · Gutenberg #43584 · 275,700 chars · public domain (US)

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Title: The Mystery of the Secret Band

Author: Edith Lavell


        
Release date: August 28, 2013 [eBook #43584]
                Most recently updated: October 23, 2024

Language: English

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[_"Mary Lou! Mary Lou! Are you alive?" Max cried._
(Page 110)    (THE MYSTERY OF THE SECRET BAND)]


The Mary Lou Series

THE MYSTERY OF THE SECRET BAND

by

EDITH LAVELL







The Saalfield Publishing Company
Akron, Ohio    New York



The Mary Lou Series
by
EDITH LAVELL

The Mystery at Dark Cedars
The Mystery of the Fires
The Mystery of the Secret Band


Copyright, MCMXXXV
The Saalfield Publishing Company
Printed in the United States of America




_Contents_


  CHAPTER                                                           PAGE
  I. A Real Detective                                                 11
  II. The Job                                                         26
  III. The Book Club                                                  38
  IV. A Midnight Visitor                                              54
  V. Another Robbery                                                  68
  VI. Saturday Afternoon                                              78
  VII. The Abandoned House                                            92
  VIII. Knocked Out                                                  110
  IX. Lunch at the Bellevue                                          120
  X. In the Dead of Night                                            132
  XI. Bail                                                           150
  XII. Detective Gay Arrives                                         164
  XIII. A Prisoner in the Dark                                       178
  XIV. The Secret Band                                               194
  XV. Christmas Morning                                              210
  XVI. Two Captures                                                  220
  XVII. A Sad Story                                                  231
  XVIII. Conclusion                                                  246




                               CHAPTER I
                           _A Real Detective_


Mary Louise stamped the snow from her feet and removed her goloshes on
the porch. Whistling the Christmas carol her class had just sung at
school, she opened the door of her house and stepped inside.

Her mother was sitting in an armchair in the living room, sewing. She
looked up with a smile at her daughter.

"How did your entertainment go?" she inquired.

"Swell!" replied Mary Louise enthusiastically. "The seniors were great.
You should have seen Max!"

"I'd like to have seen Mary Louise Gay," mused her mother. "But this
snow--and your father had the car----"

"Oh, I wasn't so hot," laughed Mary Louise modestly. "I'll tell you who
was the star of the afternoon--little Rosemary Dotts. She was so funny.
She forgot all of her piece except the second line--'I'm going to have
plum pudding!' Well, she said that once, and then she stared around at
the audience and repeated it. And still she couldn't think of any more,
so she said it again, and rubbed her fat little tummy as she repeated it.
Well, she kept that up until I thought we'd just pass out laughing at
her. Honestly, the tears were rolling down my cheeks. Her teacher had to
come up to the platform and take her away."

"That must have been funny," agreed Mrs. Gay. "Well, I guess you're
thankful that it's all over. How do you like this weather for your
vacation?"

Mary Louise's brown eyes sparkled with pleasure.

"It's keen!" she exclaimed. She executed a little dance step in her joy.
"Two whole weeks with nothing to do but coast and skate and dance!"

"And eat and sleep once in a while."

"Oh yes, of course. Especially eat. What would Christmas be without
eating?"

"What are you going to do now?" inquired her mother.

"Go coasting. Max and Norman are bringing the bobsled over in ten
minutes, and Jane and I are supposed to be ready."

"You better hurry, then. Get something to eat first. And--I forgot to
tell you--your father wants to see you at half-past five this afternoon.
Be sure to be home in time. He said he wanted to 'consult' you."

"About somebody's Christmas present? I thought all our Christmas shopping
was finished last week."

"It was. This hasn't anything to do with presents, but it concerns your
Christmas vacation, I believe," replied Mrs. Gay.

"Oh, that sounds exciting!" exclaimed Mary Louise. Mr. Gay was a
detective on the police force, and, knowing his daughter's keen interest
in the solution of crimes, he sometimes discussed his cases with her.
Already she had shown marked ability in the same line herself by
unraveling two baffling mysteries the preceding summer.

She ran out into the kitchen and poured out a glass of milk for herself
and cut a piece of chocolate cake. This brisk weather certainly made her
feel hungry, and the refreshments tasted good. Then she dashed upstairs
to change into her "snow suit," a long-trousered costume that happened to
be popular with the older girls at the moment. When she was all ready she
opened her side window and whistled to her chum, Jane Patterson, who
lived across the snow-covered lawn in the house next door.

"Yo, Jane!" she called.

Immediately a corresponding window flew up, and a youthful face appeared
at the enclosure.

"Ready!" was the reply. "The boys there yet?"

"I think I hear them," returned Mary Louise. "Come on over."

The windows were slammed down simultaneously, and the two girls dashed
downstairs to their porches. Before they had finished putting on their
goloshes, the boys were at the Gays' house.

"Left the sled at the gate," announced Max Miller, Mary Louise's especial
boy-friend in Riverside.

"Do you think the snow's packed hard enough?" demanded Jane.

"Hope so," returned Max, with a grin. "The kids were sledding last night
over near Cooper's woods, so they ought to have made a track. Anyhow, we
can have some fun. You've just got to be outdoors, weather like this."

They made their way across the yard, chatting about the school
entertainment, their dates for the next two weeks, and the fun which
Christmas always brought them. When they reached the hill where the
coasting was the best, near Riverside, they found many of their other
high-school friends, and for two hours they alternately rode down the
steep incline at a breathtaking speed and then trudged slowly back to the
top. The sun was setting, and the afternoon was gone before they knew it.

"Oh, I must go home!" exclaimed Mary Louise, glancing at her wrist-watch
in amazement.

"It's only five o'clock," returned Max complacently. "You don't eat at
your house before six-thirty, do you?"

"Come on, Mary Lou!" called Jane. "All aboard!"

Her chum shook her head.

"I can't, Jane. I've got to be home by five-thirty."

"Why the rush?" demanded Max.

"I have to see my father. He left word with Mother for me to be there."

"Oh, you can see him at supper," observed Jane lightly. "You don't want
to break up the party, do you?"

"No, of course not. No need for that at all. I'll just run along by
myself. You people take some more rides."

"Nix," answered Max loyally. "You're not going home alone past these
woods. If you have to go, Mary Lou, I'll go too."

"Oh, we might as well all go," said Jane. "I suppose it wouldn't hurt to
be on time for a meal once in a while. Still, I don't see what all the
fuss is about."

Max looked straight into Mary Louise's eyes, a serious expression on his
face.

"Mary Lou," he asked, "you're not doing any more detective stuff, are
you? Surely last summer was enough!"

The girl laughed.

"Yes, it was plenty. Haven't I been pretty good all fall? Never tried to
listen in on any of Dad's cases or hunt for clues!"

"I should think you'd be cured," remarked Jane. "The whole town could
burn down before I'd go through an experience like yours last summer, to
discover a criminal. And if it hadn't been for Max and Norman----"

"I owe them my life!" said Mary Louise, half seriously and half
smilingly. But in her heart she felt a deep sense of gratitude to her two
youthful rescuers.

"Max could use it," remarked Norman slyly.

"I'll say I could," muttered the other young man fervently. "But you
really don't think you'll do dangerous things again, do you, Mary Lou?"
he asked eagerly. "You'll leave the solving of mysteries and crimes to
your father hereafter, won't you?"

Mary Louise's eyes twinkled.

"I'm not making any rash promises. It sort of gets into the blood, Max.
There's no other thrill like it. I'd rather solve a mystery than eat....
But I really don't think there is anything for me to solve now. So you
can put your mind at rest."

"I'll feel safer after this talk with your father is over," returned the
young man.

They came to a hill, and the subject was forgotten as they all piled on
the sled and rode down together.


It was only a little past five-thirty when Mary Louise opened the door of
her house. Her father was already there, beside the roaring logs in the
fireplace, comfortably smoking.

Mr. Gay was a tall, impressive-looking man, with a determined jaw which
announced to the world that he usually accomplished whatever he set out
to do. He was proud of his daughter's detective work that summer, and
delighted to have her follow in his footsteps, though he wished he might
keep her always from the more gruesome features in the pursuit of crimes
and criminals.

"Hello, Mary Lou!" he called, gazing admiringly at her rosy cheeks and
sparkling eyes. "Did you have a good time?"

"Wonderful!" she replied, hanging up her snowflaked coat. "I'm sorry to
be late, Dad, but I had a hard time getting the others home."

"That's all right, Daughter. It won't take long for me to tell you what I
have in mind. It may take longer for you to decide upon your answer."

Mary Louise sat down opposite him and waited expectantly, not saying
another word.

"There is a small hotel for women in Philadelphia," he began. "It is a
pretty up-to-date place, though they try to keep their rates down,
because it is endowed, and supposedly was started for girls in moderate
circumstances. They have been having some trouble lately, valuables have
been stolen--and they are practically sure that none of the servants is
guilty. So they want a detective."

"A detective?" repeated Mary Louise breathlessly. "You mean----"

"Yes, I mean you, Mary Lou. The proposition was put up to me, and
naturally I can't handle it myself. I was to find them a woman detective
for a week or so, and I suggested you. The woman in charge is delighted.
She said a young girl like you could work better than anyone else because
no one would suspect you of being a detective. And you could have a room
near hers, under her protection, you see.

"Now the great question is: would you want to give up your holiday for
this purpose? All those engagements you have--all the fun you have
planned with your young friends? Christmas Day alone in a strange city?
Would it be worth it to you?"

It did not take Mary Louise a moment to make her decision.

"I'd love it, Dad!" she cried ecstatically. "But I shouldn't know how to
go about it," she added hesitatingly. "What to do--how to begin."

"Mrs. Hilliard--she is the hotel manager--would give you all the facts,"
explained her father. "I'd go with you and get you started. But you must
consider carefully, Mary Lou. Think of your friends and your mother and
your own pleasures. You can let me know tomorrow."

Mary Louise nodded solemnly.

"I know, Daddy. But this seems like the chance of a lifetime. Because you
see I mean to be a detective when I graduate from high school. This is
something definite to go on--a real experience, which I can make use of
when I apply for a job."

"Yes, of course. And, by the way, there is a salary attached. You are to
get twenty-five dollars a week, and an extra bonus if you get any of the
lost valuables back."

"Oh, Daddy!" The exclamation was almost a whisper, so awed was Mary
Louise at the thought of actually earning money in the work that she
loved best in all the world.

"When would I start?" she asked.

"I could take you with me to Philadelphia tomorrow morning. But that
wouldn't give you much time to write notes to your friends and pack your
things. I suppose you'd have a lot of engagements to break."

"Yes, but they don't matter."

"Don't you want to think it over another day? I could come back and take
you after the weekend."

"No, Daddy, there's not a question of doubt in my mind. I want to try it
and start as soon as possible. Some of the crowd will be at Jane's
tonight, and I can tell them and phone to the others. I'll pack my
clothes before I go. Have you told Mother yet?"

"No, I haven't. I thought there was no use stirring her up if you didn't
care to undertake it. But now we'll have to break the news to her, if
you're sure."

"You tell her, Daddy!" urged Mary Louise. "It will be easier."

"All right, I will," he promised.

A voice sounded from the kitchen. "Mary Louise, could you do an errand
for me? You'll just have time before supper."

"Yes, Mother," replied the girl, jumping to her feet. Then in a whisper
to her father she added, "Tell her while I'm gone."

Picking up her coat again, she ran out into the kitchen.

"I want you to take this basket of jellies and fruit cake over to old
Mrs. Detweiler," said Mrs. Gay. "I think it would be nice for them to
have the things earlier this year, because they have so little at
Christmas time."

"Yes it would, Mother," agreed the girl absently.

"Ask them whether they've heard anything from Margaret," added Mrs. Gay.
"Maybe she's coming home for Christmas."

"She wasn't home all summer, was she, Mother?"

"No. And they didn't hear from her, either. They're terribly worried. I
can't see why Margaret Detweiler would do a thing like that, when her
grandparents have been so good to her all her life. Why, Mrs. Detweiler
wore the same dress for five years just so she could put Margaret through
high school. And the girl always seemed so grateful and affectionate,
too."

"Maybe something happened to her," suggested Mary Louise.

"Surely they would have heard if it had.... Well, run along, dear. And
come right back, because dinner is practically ready."

Mary Louise pulled on her beret and her goloshes and went out into the
snow again. It was entirely dark now, but the stars were shining, and the
air was just cold enough to be invigorating. How good it was to be young
and lively and happy! How sorry she felt for this poor old couple whom
she was visiting, missing their granddaughter so dreadfully. But perhaps
everything was all right. Maybe Margaret Detweiler was coming home for
Christmas.

The small brick house where the old couple lived was only a few blocks
from Mary Louise's home. Half walking, half running, the girl covered the
distance in less than ten minutes. She saw a low light in the living room
and knocked at the door.

Both of the Detweilers were well over seventy, and they lived modestly
but comfortably on a small pension which Mr. Detweiler received. It had
been sufficient for their needs until the death of Margaret's parents
obliged them to take care of their only grandchild. But they had gladly
sacrificed everything to give Margaret an education and a happy girlhood.
She was older than Mary Louise by three or four years, so that the latter
had never known her well. But she had always seemed like a sweet girl.

Mr. Detweiler opened the door and insisted that Mary Louise come inside.
Both the old people loved Mrs. Gay and enjoyed the wonderful presents of
her own making she sent every Christmas. They were profuse in their
thanks.

"You must take off your things and get warm before you start out again,"
urged Mrs. Detweiler.

"I'm really not a bit cold," replied Mary Louise. "And Mother told me to
come right back, as supper will be waiting. But she wanted me to ask you
whether you had heard anything from Margaret."

Tears came to the old lady's eyes, and she shook her head.

"Not a thing since last Christmas," she answered sadly. "You know she
didn't come home then, but she wrote to us and sent us a box of lovely
presents. Expensive things, so I knew she must be doing well. She had a
position in a Harrisburg store at first, you know, and then she told us
she had gotten a fine job in a Philadelphia store. That was where the
last letter came from--the last we ever received from her!"

"Didn't you write to her?" asked Mary Louise.

"Yes, of course we did. But the letter was returned to us."

"What store was she working in? I am going to Philadelphia for the
Christmas holidays, and I might be able to find her."

"I'm not sure. But the package was marked 'Strawbridge and Clothier' on
the box. Did you ever hear of that store?"

"Yes, I did. And I'll go there and make inquiries for you, Mrs.
Detweiler."

The old lady seized Mary Louise's hand gratefully.

"Oh, if you could only find her, Mary Louise," she exclaimed, "we'd be
the happiest couple alive!"

"I'll do the best I can," promised the girl as she turned to the door.

She ran all the way home, eager to find out what her mother was going to
say in reply to her father's startling proposition about her Christmas
vacation.




                               CHAPTER II
                               _The Job_


If Mrs. Gay did not like the idea of losing her daughter for two weeks,
at least she kept the feeling to herself. She congratulated Mary Louise
heartily on being chosen for a difficult piece of work.

"You're a lucky girl!" cried Freckles, Mary Louise's young brother. "Wish
I was old enough to take the job!"

"You couldn't take this one, Son," his father reminded him, "because it's
a woman's job. A man would be out of place in a woman's hotel. But Mary
Lou can go about unnoticed--people will think she's just a guest."

"Twenty-five bucks a week!" repeated Freckles. "What are you going to do
with all that money, Sis?"

"I don't know. Wait and see if I earn it. But if I do, we'll all have
something nice out of it."

"I wasn't asking for it!" protested the boy.

"No, I know you weren't. But wait, and we'll see." She turned to her
mother. "The Detweilers haven't heard a thing from Margaret, Mother. Not
since they received a box last Christmas from Philadelphia. But I
promised to try to hunt her up for them."

"Oh, I feel so sorry for them!" exclaimed Mrs. Gay. "I do hope that
nothing has happened to Margaret."

"So do I. But, anyhow, that will give me two jobs in Philadelphia."

"Yes," agreed her father, "and you can give that as your reason for being
in Philadelphia--to the other guests at the hotel--if you care to."

"That's an idea," said Mary Louise. "And maybe this is the more important
of the two. I'm sure Margaret Detweiler is more precious to her
grandparents than money and valuables to the women at that hotel."

Though her mother accepted the situation calmly--owing to her father's
persuasion, no doubt--Mary Louise found her best friends less agreeable.
Jane raised a howl of protest when she heard of the plan, and Max Miller
looked so crushed and unhappy that for a moment or two Mary Louise even
considered the idea of giving the whole thing up.

"I asked you two months ago to go to the senior dance during Christmas
week," he said. "And you promised me faithfully, Mary Lou!"

"I know, Max. But I couldn't foresee anything like this coming up."

"It spoils my whole vacation. It spoils my whole senior year, because
this is the biggest affair we have.... In fact, it spoils my whole life!"

"Now, Max, be reasonable! We'd have only a few dances together--you're
class president, don't forget, and you'll need to perform your social
duties--and any other girl will do as your partner."

"No other girl will do at all," he protested stubbornly. "I won't take
anybody else. I'll go stag. I'd stay home entirely if I weren't
president!"

"Well, maybe I'll have the whole mystery solved in the week before
Christmas, and get home in time for the dance," remarked Mary Louise
optimistically.

"More likely you'll stay a week overtime," muttered the young man. "Or
maybe take on the job for good and never come back to Riverside at all."

Mary Louise laughed.

"You certainly can dish out gloom when you want to, Max! You don't
suppose my parents would allow me to leave high school and take a regular
job when I'm only sixteen, do you? I shan't be seventeen till next
spring, you know."

But Max refused to be consoled, and Jane Patterson upheld him in his
attitude. It was ridiculous, foolhardy, dumb, silly--every adjective she
could think of--to go to a strange city and be all alone during Christmas
week when you could be having a perfectly wonderful time in Riverside.

"You'll get to be a dried-up old maid by the time you're twenty-five,"
she told her chum. "And what good will your career be to you then?"

"Lots of good," returned Mary Louise complacently. "If I'm going to be an
old maid, I'll certainly want a career. But I don't see why a career
should interfere with marriage. I'll have plenty of time to have it
first."

"All the men will be married by that time."

"I'll take a chance," laughed Mary Louise.

Nothing anybody said could stop her. Mary Louise was more thrilled than
she had ever been in her life, and she meant to put her whole soul into
this job. Not only for her own sake, but for her father's, as well. In
her two previous experiences, personal inclination had made her unravel
the mysteries, but now she felt that her father's reputation was
involved. If he recommended someone who was incompetent, a failure would
reflect upon him. Oh, she must succeed--if it were humanly possible!

She left the party early that evening and went home to finish packing her
suitcase. Immediately after breakfast the next morning she and her father
took the train to Philadelphia.

The snow had ceased falling, but the country was still covered with
white. The sun shone, and the landscape was lovely. Mary Louise had never
been to Philadelphia before, and she watched everything eagerly as she
approached the terminal. It was a big city, in comparison with Riverside
or even Harrisburg. But not so big as New York, which she had visited
several times.

"Where is the hotel, Daddy?" she asked as they left the train. "And what
is its name?"

"It is up near the Parkway, and it is called 'Stoddard House,' because a
wealthy woman by the name of Stoddard left some money in her will to
build it and help keep it up. It is a very attractive place."

"I wonder how many rooms it has," said his daughter.

"Not so many as you might expect, because I understand the whole first
floor is planned for the girls' social uses. A card room, several small
rooms for the girls to entertain callers, a library, a larger reception
room for dancing, and the dining room are all part of the plan. But
you'll soon go all over the place and see for yourself."

Mary Louise's eyes sparkled.

"It is going to be thrilling, Dad!" she said.

"I hope you don't run into any danger," he remarked a little
apprehensively. "The Philadelphia police will have your name on file--I
saw to that--so the minute you call for help you can get it. And don't
hesitate to phone me long distance any time you need me. I'll give you my
list of addresses for the week. Don't stop for expense--we can't consider
money in cases like this."

Mary Louise nodded proudly. Never in her life had she been so happy. She
walked along beside her father with her head high and her eyes shining.
Her only misgiving, as they approached the hotel, was caused by her
extreme youth. She hoped fervently that nobody would guess her age.

The hotel was an attractive place. Set back from the street by a small
terrace, its trim brick walls and white-painted doorway and windows
looked cozy and home-like. What a nice place to live, Mary Louise
thought, if you weren't lucky enough to have a home of your own!

How thankful she was that the place wasn't gloomy and tumbledown like
Dark Cedars, where she had made her first investigations as an amateur
detective! Nobody would be telling her that ghosts haunted the walls of
Stoddard House.

Her father opened the door for her, and she preceded him into the lobby.
It was rather small, as lobbies go, with only one counter-desk, one
lounge, and a couple of elevators, which you worked yourself, at the
side. But doors opened out from the lobby on all sides, revealing
glimpses of numerous attractive reception rooms beyond.

Mr. Gay nodded to the girl at the desk and inquired for Mrs. Hilliard. In
a couple of minutes a stout middle-aged woman appeared and smiled
pleasantly at him. He introduced Mary Louise.

"Let's get back into my office where we can talk undisturbed," suggested
Mrs. Hilliard, leading the way out of a door and along a hall to another
smaller room. "Now sit down and I'll tell you all about our
difficulties."

Mr. Gay and his daughter made themselves comfortable, and Mary Louise
took out her notebook. The same notebook which she had made so valuable
on two previous occasions.

"Last September was the first time we ever had any trouble at all," began
Mrs. Hilliard. "We lost a complete set of silverware--a dozen each of
knives, forks, and spoons. But as these were only plated, the loss did
not run into a great deal of money, so we didn't make much fuss. I
supposed that one of the maids stole them--a waitress who left the next
day to be married.

"But I must have been mistaken, for more things disappeared after she
left. A very unusual vase we had in the library, quite valuable too, for
it had belonged in the Stoddard family. That made it look as if the thief
were a connoisseur.

"The matron and I were watching the help carefully, and we felt sure that
none of them was responsible. We hadn't many guests at the time--there
are only about a dozen who live here permanently. And there happened to
be only a couple of transients."

"What are 'transients,' Mrs. Hilliard?" asked Mary Louise, who was
unfamiliar with the term.

"They're the people who stop in for a day or two--or even a week--and
don't stay permanently," explained the other.

"I should think they'd be the people who would be most likely to steal,"
observed Mary Louise. "Because they could get away with it more easily."

"I thought so too, at first. But when things kept right on being stolen,
and the same transients never came back, it began to look to me as if one
of the permanent lodgers were responsible.... These two girls--I have
forgotten their names--were here when the silverware and the vase
disappeared, but they were not here in October when our watches were
taken."

"How many watches?" asked Mary Louise.

"Four--including my own!"

"And were there any transients here at that time?"

"Just one. A chorus girl named Mary Green. She stayed a couple of days
and then said her show was closing up."

The young detective wrote all these facts into her notebook and asked
whether that was all.

"Not quite," replied Mrs. Hilliard. "Last Friday Miss Violet Granger had
a valuable oil painting stolen from her room, and a purse containing
fifty dollars.... So you see the situation has become pretty serious. Two
of our regular guests have moved away because of it, and others have
threatened to do so if anything else is stolen."

She looked doubtfully at Mary Louise. "I'm sure I don't know how you
would go about an investigation like this," she said. "But perhaps you
do. Are you willing to try it?"

"Of course I am!" cried the girl eagerly. "It's just the kind of thing I
love. I've put down everything you said, Mrs. Hilliard, and I'm all ready
to go to work now. I want to see the hotel and meet the guests as soon as
possible."

"I think Mary Louise had better keep secret the fact that she is spying
on them," put in Mr. Gay. "Just let them think that she is a young friend
of yours, Mrs. Hilliard, visiting you for her Christmas vacation. As a
matter of fact, she wants to look up a young girl from Riverside, whose
whereabouts have been lost by her relations. But use your own discretion,
Mrs. Hilliard."

"I will, Mr. Gay," agreed the woman. "And I will take good care of Mary
Louise for you," she added.

"That's right. No late hours--or being out alone at night, Mary Lou.
Don't forget that this is a big city, and girls can easily get lost."

"I'll be careful, Daddy," she promised.

Mr. Gay kissed his daughter good-bye, and Mary Louise and Mrs. Hilliard
took the elevator to the second floor.

"There are ten rooms on each floor," the manager explained. "The fourth
floor belongs to the help, and I have my own little three-room apartment
at the back.

"The third floor is reserved for our permanent guests. We have thirteen
of them now--some two in a room, some alone.

"Our second floor is principally for transients, although sometimes
guests prefer to live there permanently. One woman named Mrs. Macgregor,
a wealthy widow, likes her room and bath so much that she has decided to
keep it indefinitely. But most of the guests on the second floor come and
go....

"And now, my dear, here is your room. I was going to take you into my own
apartment at first, but I decided that would be too far away from
everybody. Here you can mix more with the other guests. Of course,
whenever you get lonely, you can come up with me. I have some nice books,
if you care to read in the evening, and a radio. And perhaps you brought
your knitting?"

"I forgot all about that," replied Mary Louise. "But of course I do knit,
and I can easily buy some wool and some needles."

Mrs. Hilliard opened the door of the room that was to be Mary Louise's
and handed her the key.

"Now I'll leave you to rest and unpack," she said. "Perhaps you can come
down early before dinner to meet some of the girls in the reception room.
The younger ones usually play the radio and dance a little before
dinner."

"I'll be there!" returned Mary Louise joyfully.




                              CHAPTER III
                            _The Book Club_


Mary Louise was a little awe-struck as she sat down alone in her new
bedroom. The first time she had ever been away from home by herself,
without any friends! Alone in a big city--working on a job! It seemed to
her that she had suddenly grown up. She couldn't be the same care-free
high-school girl who had gone coasting only yesterday afternoon with her
friends.

A momentary sensation of depression took hold of her as she thought of
Jane and the boys and the informal party she was missing that evening. It
would be wonderful if Jane could be with her now, sharing her experiences
as she always had, helping her to solve this mystery. But such a thing
was impossible, of course. Jane wouldn't want to give up the Christmas
gayety at Riverside, and besides, this was a real job. You couldn't bring
your friends along on a real job as if it were only play.

Then she thought of that other Riverside girl alone in this big city.
Margaret Detweiler, the girl who had so mysteriously disappeared. What
could have happened to her? Suppose something like that should happen to
Mary Louise!

"I'm positively getting morbid," she thought, jumping up from the chair
on which she was seated and beginning to unpack her things. "I'd better
get dressed and go down and meet some of the young people. I'll never
accomplish anything by mooning about like this."

She unpacked her suitcase and hung her clothing in the closet. What a
neat little room it was, with its pretty maple furniture and white
ruffled curtains! So different from the common, ugly boarding-house
bedroom! She was lucky to have such a nice place to live in. And Mrs.
Hilliard was certainly a dear.

She found the shower bath down the hall, and feeling refreshed, slipped
into a new wine-red crêpe, which her mother had bought her especially for
the holidays. It was very becoming, and her eyes sparkled as she ran down
the steps to the first floor. No use bothering with elevators when she
had only one flight to go.

Mrs. Hilliard was at the desk, talking to the secretary, who was putting
on her hat and coat.

"Oh, Mary Louise," she said, "I want you to come here and register and
meet Miss Horton. This is Miss Gay," she explained, "a young friend of
mine. She is visiting me for the holidays, and I forgot to have her
register when she came in. But as she is using room 206, and not my
apartment, I think she had better register."

Mary Louise nodded approvingly and wrote her name in the book.

"You have never come across a girl named Margaret Detweiler, have you,
Miss Horton?" she asked. "I want to find her if I can while I am in
Philadelphia."

The secretary shook her head.

"No, I don't think so. You might look through the book, though. I can't
remember all the transients who have stopped here at Stoddard House."

"Naturally," agreed Mary Louise, and she turned the pages eagerly. But of
course she did not find the name. Coincidences like that don't often
happen, and besides, she reasoned, if she did find it, it wouldn't do her
much good. That wouldn't tell her where Margaret was now.

"Come into the music room with me," said Mrs. Hilliard. "I see one of our
newest arrivals here--a young girl who came only last week. She can't be
more than nineteen or twenty. I think you'd like each other."

The girl, an attractive brunette with a gay manner and a little too much
lipstick, was standing beside the radio, turning the dials. She looked up
as Mrs. Hilliard and Mary Louise entered the room.

"Miss Brooks, I want you to meet a friend of mine--Miss Gay," said Mrs.
Hilliard. "Perhaps I'd better say 'Pauline' and 'Mary Louise,' because I
know you young people don't bother with last names."

The girls smiled at each other, and the manager went towards the door.

"Would you be good enough to take care of Mary Louise--introduce her to
any of the other guests who come in--Miss Brooks? I have to go back to
the desk, for the secretary has gone home."

"Certainly," agreed Pauline immediately. She turned on some dance music.
"What do you say we dance?" she asked Mary Louise. "And does everybody
call you by both names?"

"Most people shorten it to 'Mary Lou.' Yes, I love to dance. That's a
dandy fox trot."

The girls stepped off, Pauline talking gayly all the time, asking Mary
Louise all sorts of questions: where she was from, how long she was going
to stay, and so on. Mary Louise answered pleasantly, happy to have found
a new friend. It wouldn't be so bad without Jane, now that she had found
a girl near her own age in Philadelphia, although she thought that
Pauline was probably nearer twenty-five than twenty. Middle-aged people
like Mrs. Hilliard weren't so good at guessing young people's ages,
unless they had children of their own.

"I wish I could take Pauline into my confidence," thought Mary Louise,
"and have her help me the way Jane did. It would be so much nicer." But
she knew that would not be wise: her father and Mrs. Hilliard wanted her
to keep her job a secret. However, she did make it a point to ask Pauline
a few questions in return for those she had answered. Not that she was
interested in Pauline as a suspect--the girl had only arrived last week,
Mrs. Hilliard said--but because she really wanted a young companion while
she was in this strange city.

"My parents are dead," Pauline told her. "I have a rich aunt who usually
stays at the Ritz when she's in Philadelphia, but I don't care enough
about her to live with her. I sort of flit from place to place, and write
fashion articles for the magazines whenever my income runs short. I have
a pretty good time."

"Have you ever stayed at Stoddard House before?" asked Mary Louise.

"No, I usually avoid women's places like Y. W. C. A.'s and girls' clubs,"
was the reply. "But this sort of looked different to me, and I thought
I'd give it a try. It's pretty good, don't you think?"

"I like it very much."

By this time half-a-dozen people had entered the room, and two more
couples were dancing. Suddenly Mary Louise felt bewildered. How could she
possibly get to know so many people in the short space of two weeks and
hope to find the thief?

The music changed, and the other dancers left the room. Apparently the
dining-room doors were open.

"Gosh, I couldn't introduce you to any of those women, Mary Lou," said
Pauline. "I don't know any of their names."

"Oh, that's all right," agreed the young detective. "I'm not feeling a
bit lonely."

"Let's go eat--or are you supposed to wait for Mrs. Hilliard?"

"No, she told me not to. She's such a busy person, she has to snatch her
meals whenever she can. But I'll be with her in the evenings."

"Exciting life!" observed Pauline. "Maybe I can rake up a date for you
later. I've got one myself for tonight, and I'll sound Ben out. If he can
get hold of another fellow for tomorrow night----"

"Oh, I don't think I better make any plans," interrupted Mary Louise.
"Though I do appreciate it a lot, Pauline. But you see I am Mrs.
Hilliard's guest. I have to consult her."

"O.K."

The two girls went into the dining room, an attractive place, with tables
for two and four persons, and chose one of the smaller ones.

"We don't want any of the old dames parking with us," observed Pauline,
glancing at a couple of elderly women just entering the room. "They cramp
my style."

"Rather," laughed Mary Louise, though she secretly wished she might meet
some of the "old dames," as Pauline called them. Any one of them might be
the thief.

Pauline Brooks was very different from the girls of Riverside--not nearly
so refined, Mary Louise thought--but she was a gay companion and made
witty remarks about everything. No doubt she was a clever writer.

Just as the girls finished their excellent dinner, Mrs. Hilliard came
into the room. Pauline stood up.

"I'll be running along, Mary Lou," she said. "Now you have company I
better leave you and get dressed."

Mary Louise smiled. "Have a good time--and I'll see you tomorrow."

"Not too early!" warned Pauline. "I'll probably be dancing till the small
hours tonight." She left the room, and Mrs. Hilliard sat down in her
place.

"Will you stay here with me while I eat my dinner, Mary Louise?" she
asked.

"Yes, indeed," replied the girl.

"And did you enjoy your dinner?"

"It was wonderful! Just like a fine hotel."

"I think Stoddard House is a fine hotel--on a small scale, of course....
And now I have a suggestion to offer for tonight," she continued as she
ate her dinner. "Some of the regular guests here have a book club which
meets once a week. I seldom go to the meetings--I never seem to have
time--but I thought I could take you tonight, and in that way you would
get acquainted with some of these people. Though I don't suppose you'll
find the person we're looking for among them. Thieves aren't often book
lovers."

"But it will help me to get the people sorted out, and I am so at sea,"
said Mary Louise. "I think it is a fine idea, Mrs. Hilliard. What time
does the club meet?"

"Seven-thirty. But we'll go to my room first, and you can copy down the
names of all the guests, and their room numbers."

"Oh, that's great!" she cried, thankful to be getting at something
definite to start with.

As soon as Mrs. Hilliard finished her dinner she and Mary Louise took the
elevator to the fourth floor and walked down the long corridor to the
back of the hotel. Here was Mrs. Hilliard's own private apartment, a cozy
suite of three rooms and a bath.

Mary Louise settled herself comfortably in an armchair and took out her
notebook.

"Do you want the names of the maids?" asked Mrs. Hilliard as she picked
up some papers from her desk.

"No, not yet," replied the girl. "You believe in their innocence, so I
think I'd rather study the guests first."

Mrs. Hilliard handed her a paper, a methodical list of the bedrooms on
the second and third floors, and Mary Louise copied it, just as it was,
into her notebook:

"Second Floor:
  Room 200    Pauline Brooks.
       202    May and Lucy Fletcher.
       204
       206    Mary Louise Gay.
       208
       201    Mrs. B. B. Macgregor.
       203
       205    Anne Starling.
       207
       209
Third Floor:
  Room 300    Miss Henrietta Stoddard.
       302    Mrs. Weinberger.
       304    Miss Hortense Weinberger.
       306    Dorothy Semple.
       308    Miss Hastings.
       301    Ruth and Evelyn Walder.
       303
       305    Mrs. Moyer.
       307
       309    Miss Violet Granger."

"You have quite a lot of empty rooms, haven't you, Mrs. Hilliard?"
inquired Mary Louise, when she had finished her copy.

"Yes. It's always dull at this time of year. And we never are very full.
After all, it's rather expensive, with wages on the scale they are now."

"How much do you charge?"

"Fourteen dollars a week. But that doesn't cover our expenses."

"No, I'm sure it doesn't. Everything is lovely--I didn't tell you how
much I like my room--and the food couldn't be better."

"Well, we have an income from the Stoddard estate which helps to pay
expenses," Mrs. Hilliard explained.

"There is a woman here named Miss Henrietta Stoddard," observed Mary
Louise, looking at her list. "Is she any relation of the founder?"

"Yes, she is her niece. Old Mrs. Stoddard provided in her will that
Henrietta should be allowed to live here free all her life, as long as
she was single or a widow."

"How old a woman is she?"

"About forty-five now, I should judge. And very bitter. She expected to
inherit her aunt's money, and she even tried to break the will. She
hasn't any money--I think she does odd jobs like taking care of children
and doing hand sewing for her spending money and her clothing."

"Hm!" remarked Mary Louise.

Mrs. Hilliard smiled. "I know what you are thinking--and I kind of think
so myself. That Miss Stoddard is the thief. But you'd never believe it to
look at her. She's prim and proper and austere."

"You never can tell," said Mary Louise.

"No, that's true.... Well, you'll have a good chance to judge for
yourself tonight. Miss Stoddard is the one who is in charge of the book
club. There is a library fund in the endowment, and these women decide
upon what to buy."

"Tell me which of these guests belong to the club," urged the girl.

"All the regular residents belong, except Miss Violet Granger. She is an
artist--she draws for magazines and for an advertising firm--and she
always keeps apart from the other guests. She is the one from whom the
oil painting and the fifty dollars were stolen."

Mary Louise nodded and put a check beside Miss Granger's name.

"Now," she said, "I ought to check the names of all the other people who
have had valuables stolen. Who else was there?"

"Well, as I told you, the hotel itself lost the silverware and the
Chinese vase. Then there were four watches stolen--my own, Mrs.
Weinberger's, and the two Walder girls.... By the way, they are lovely
girls, Mary Louise--they've lived here a couple of years, and I know
their families--I'm sure you're going to like them....

"And the final--at least, I hope it's the final robbery--was the painting
and the money from Miss Granger's room. But I have a feeling that isn't
the end, and the guests are all nervous too. It's hurting our
business--and--making my own job seem uncertain."

Mary Louise closed her notebook thoughtfully and sighed.

"I'll do the best I can, Mrs. Hilliard," she promised solemnly.

Ten minutes later they took the elevator to the first floor, and Mrs.
Hilliard led the way into the library. It was a cheerful room with an
open fireplace, a number of comfortable chairs and built-in bookcases
around the walls.

Miss Henrietta Stoddard, a plain-looking woman with spectacles, sat at
the table on one side, with a pile of books and a notebook beside her.
She was talking to an elderly woman and a younger one. Mrs. Hilliard
introduced Mary Louise.

"Mrs. Weinberger and Miss Weinberger," she said, and Mary Louise
immediately placed them as the mother and daughter who lived in rooms 302
and 304.

The daughter was complaining to Miss Stoddard.

"I don't see why we can't have some more exciting books," she said.
"Something a little more youthful."

Miss Stoddard drew the corners of her severe mouth together.

"We buy just what the club votes for," she replied icily.

"Because the younger members never come to put in their votes!" returned
the younger woman petulantly. "I asked the Walder girls to come to the
meeting tonight, but of course they had dates." She turned eagerly to
Mary Louise. "You can put in a vote, Miss Gay!" she exclaimed. "Will you
suggest something youthful?"

Mary Louise smiled. "I shan't be here long enough to belong to the club,"
she answered. "I'm just visiting Mrs. Hilliard for the vacation."

"You're a schoolgirl?"

"Yes. A junior at Riverside High School."

"Never heard of it," returned Miss Weinberger, abruptly and scornfully.

"I'm afraid it's not famous--like Yale or Harvard," remarked Mary Louise,
with a sly smile.

Miss Weinberger went on talking to the others in her complaining, whining
tone. Mary Louise disliked her intensely, but she didn't believe she
would ever steal anything.

"What time is it?" demanded Miss Stoddard sharply.

"I don't know. My watch was stolen, you know," replied Mrs. Weinberger,
looking accusingly at Mrs. Hilliard, as if it were her fault.

"You never heard anything about those watches, did you?" inquired Miss
Stoddard.

"No," replied the manager, keeping her eyes away from Mary Louise. "There
was a night watchman that night, but he said he didn't see any burglar or
hear any disturbance."

"The night watchman couldn't watch four watches," Mary Louise remarked
facetiously.

"Yes, there were four stolen," agreed Mrs. Weinberger. "I suppose Mrs.
Hilliard told you?"

Mary Louise flushed: she must be more careful in the future.

"I think that bleached-blond chorus girl took them," observed Miss
Weinberger. "She was here then and left the next day. That name of hers
was probably assumed. 'Mary Green!' Too common!"

Mary Louise wanted to write this in her notebook, but caution bade her
wait till the meeting was over.

The door opened, and an old lady came in, leaning on her cane. She was
past eighty, but very bright and cheerful, with beautiful gray hair and a
charming smile.

Mrs. Hilliard sprang up and offered her the best chair in the room and
introduced Mary Louise to her. Her name was Mrs. Moyer.

Now the meeting began: the guests returned the books they had borrowed
and discussed new ones to purchase. At half-past nine a maid brought in
tea and cakes, and the evening ended sociably.

Thankful to slip off alone to write her observations in her notebook,
Mary Louise went to her own room.




                               CHAPTER IV
                          _A Midnight Visitor_


Mary Louise put on her kimono and stretched herself out comfortably on
her pretty bed, with her notebook in her hands. What a lovely room it
was! What a charming little bedside table, with its silk-shaded lamp, its
dainty ice-water jug--and its telephone. For that convenience especially
she was thankful: she'd far rather have a telephone than a radio. Little
did she realize how soon she was to find that instrument so useful!

She opened her notebook at the page upon which she had written the
guests' names, and counted them. Fourteen people besides herself, and of
that number she had met only five. Rather a slow beginning!

"If I only had Jane here, she'd know everybody in the place by now," she
thought wistfully. "Jane is clever, but she does jump at conclusions.
Maybe I'm better off alone."

She glanced at the notebook again and resolved not to bother yet with the
names of people she hadn't met. She'd concentrate instead upon the five
that she did know. She began at the beginning with the girl with whom she
had danced and eaten supper.

"Pauline Brooks couldn't be guilty," she decided. "Because she came to
Stoddard House only a few days ago for the first time. After the first
two robberies had taken place. So she's out....

"Now I'm not so sure about Miss Henrietta Stoddard. She might even
believe she had a right to steal things, because she was cheated out of
her inheritance. Yes--I'll watch Miss Stoddard carefully.

"Next those two Weinberger women. Hardly possible, when the mother lost
her own watch. Of course, thieves sometimes pretend to have things
stolen, just to establish their innocence, the same way murderers often
wound themselves--for alibis. But, just the same, I believe those women
are honest. They're pretty well off, too, to judge from their clothes and
their jewelry."

She came to the last person she had met--the old lady who had come to the
book-club meeting with a cane--Mrs. Moyer. Mary Louise's face broke into
a smile. Nobody in her right senses could suspect a person like that!

That was all. Except the secretary, Miss Horton, whom she had met at the
desk.

Mary Louise closed the notebook and put it on the table beside her. That
was enough for tonight; now she'd try to get some sleep. She put out the
light and opened the window. Snow still covered everything except the
streets and the sidewalks, and the moon shone over the roofs of the
buildings beyond. Right below her side window was a fire escape, which
made her feel somehow safe and secure.

It was not nearly so quiet here as in Riverside; automobile horns honked
now and again, and the sound of trolleys from the street in front was
plainly heard. But Mary Louise was not worried about the noise, and a few
minutes after she was in bed she was sound asleep.

How many hours later she was awakened by a dream about Margaret
Detweiler, Mary Louise had no way of knowing, for she had left her watch
on the bureau. She thought she had found Margaret alone in an empty
house, cold and starving to death, and she was trying to remember just
what principles of first aid to apply, when she awoke and found it was
only a dream.

But something, she realized instantly, had awakened her.
Something--somebody--was in her room!

Her first sensation was one of terror. A ghost--no, a gypsy, perhaps--who
would clap a gag over her mouth and bind her hand and foot! But before
she uttered a sound she remembered where she was and why she was there. A
delirious feeling of triumph stole over her, making her believe that
success was at hand for her in her sleuthing. If this person were really
the Stoddard House sneak thief, Mary Louise could lie still and watch
her, for the room was light enough from the moon and the street lamps to
show up the intruder quite plainly.

Ever so cautiously, without turning her head or making any kind of sound,
she rolled her eyes toward her bureau, where she could sense the intruder
to be. Her reward was immediate: she saw a short person in dark clothing
standing there, carefully picking up some object.

"My purse--and my watch!" Mary Louise thought grimly. The little engraved
watch her father had given her last Christmas.

The figure turned around and silently crept towards the door. But sudden,
swift dismay took possession of Mary Louise, making her tremble with fear
and disappointment. The thief was not a woman, whom she could hope to
identify as a guest at Stoddard House. He was a man!

He turned the key in the lock so quietly that only the tiniest click
could be heard. Then, just as softly, he closed the door again and
vanished into the hall.

Mary Louise gasped audibly with both relief and disappointment. Relief
that he was gone, disappointment that he was a common, ordinary burglar
whom she could not hope to catch.

Nevertheless, she meant to do what she could, so she turned on her light
and reached for the telephone beside her bed. In another moment she had
told her story to the police, and, so perfect were their radio signals,
in less than five minutes one of their cars stood at the door of the
hotel.

Meanwhile, Mary Louise had hastily thrown on a few clothes and run down
the stairs to warn the night watchman.

The halls were lighted all night, as well as the lobby of the hotel; she
did not see how the burglar could escape without attracting the
watchman's notice.

She found him quietly smoking a pipe on the doorstep. He said he had seen
nobody.

"I think the burglar came in through the window from the fire escape,"
Mary Louise said.

"Don't see how he could," returned the man. "I've been around there at
the side for the last half hour. Nobody came along that alley."

Baffled, Mary Louise summoned Mrs. Hilliard on the house phone, and by
the time she stepped out of the elevator the two policemen had arrived.

"The thief must be hiding somewhere in the building," concluded Mary
Louise. "Waiting for a chance to slip away."

"We'll have to make a search," announced Mrs. Hilliard. "You guard the
doorway and the stairway, Mike," she said to the watchman, "and one of
you officers go around the first floor and see whether the windows are
all securely locked--in case the burglar escaped through one of them.
Then the other officer can come with Miss Gay and me while we search the
floors above."

Immediately the plan was put into effect, and the searchers began on the
second floor, looking first in the corridors and closets and empty rooms,
then knocking at the doors of the guests' rooms.

Pauline Brooks' door was the first they went to, and here a light shone
under the cracks.

"Sorry to disturb you, Miss Brooks," called Mrs. Hilliard, "but a sneak
thief has gotten into the hotel, and we want to find him. May we come
in?"

"Just a minute," replied the girl. "Till I put on my bath robe. I was out
late--at a dance, and I'm just undressing now."

"What time is it, anyway?" asked Mary Louise. "You see, my watch was
stolen."

"It's only a few minutes after one," replied the policeman.

A moment later Pauline unlocked the door, and the three people entered.
The room was very untidy: clothing had been flung about everywhere, and
two open suitcases occupied the chairs.

"Look in the closet," advised Mrs. Hilliard.

"There's nobody there," answered Pauline. "I've just been in it. But you
might look under the bed. That's where men always hide in the bedroom
farces."

"You wouldn't think this was a 'bedroom farce' if you'd just lost your
watch and your purse," remarked Mary Louise sharply.

"I'm sorry, Mary Lou," apologized Pauline. "You see, I didn't know that
_you_ were the victim."

"We've got to get along," interrupted the officer. "There's nobody
here--I'm sure of that."

They passed on to the other rooms, waking up the guests when it was
necessary, apologizing, explaining--and finding nobody. In only two of
the rooms besides Pauline's had they found lights burning. Miss Granger,
the artist, was still working on some drawings she was making for a
magazine, and Miss Henrietta Stoddard, who explained that she was "such a
poor sleeper," was reading a book. But both these women said that they
had heard no disturbance.

When the search was completed and the group returned to the first floor
of the hotel, the watchman and the officer had nothing to report. The
windows on the ground floor were all securely locked, the latter
announced, and the former said that no one had escaped by the front door
or the fire escape.

"It's either an inside job or your young friend dreamed it," one of the
policemen said to Mrs. Hilliard.

"It couldn't be an inside job," returned the manager. "For there isn't
any man who lives in the hotel."

"And I didn't dream it," protested Mary Louise. "Because my watch and my
purse are gone, and my door was unlocked. I locked it myself when I went
to bed last night."

"Well, we'll keep an eye on the building all night," promised the
policeman as he opened the door. "Let us know if you have any more
trouble."

When the men had gone, Mrs. Hilliard persuaded Mary Louise to come to her
apartment for the rest of the night. She had a couch-bed in her sitting
room which she often used for her own guests.

Mary Louise agreed, but it was a long while before she fell asleep again.
She kept listening for sounds, imagining she heard footsteps in the hall,
or windows opening somewhere in the building. But at last she dozed off,
and slept until Mrs. Hilliard's alarm awakened her the next morning.

"You had better go down to the dining room for your breakfast, Mary
Louise," said the manager. "I just have orange juice and coffee, up
here--if I go into the dining room I am tempted to overeat, and I put on
weight."

"All right," agreed Mary Louise. "I want to go to my room for fresh
clothing anyway--I just grabbed these things last night in a hurry....
Mrs. Hilliard, what do you think of last night's occurrence?"

"I don't know what to think. I was convinced that all our robberies
before this were inside jobs, because our watchman was so careful. But
now I don't know. Of course, this may be something entirely different.
We'll see if anything happens tonight. You're sure it was a man, Mary
Louise?"

"Positive. He wore a cap pulled down over his head, and a mask over his
eyes. He had on a dark suit--sneakers, too, for I couldn't hear him
walk."

"Did he have a gun?"

"I don't know, because I pretended to be asleep, so he didn't need to
defend himself. He got out so quickly. Where could he have vanished to?"

Mrs. Hilliard shook her head with a sigh.

"I haven't the slightest idea," she said.

"Of course, he might have had an accomplice," mused Mary Louise. "Some
woman may have let him out her window to the fire escape. Still, the
watchman was keeping his eye on that...." Mary Louise's tone became
dreary. "I guess I'm not much use to you, Mrs. Hilliard. I don't think I
ought to take the salary."

"You mean you want to go home, Mary Louise?"

"Oh no! I wouldn't leave now for anything. But I mean I probably shan't
be any help in finding a thief like that. So I oughtn't to accept any
pay."

"Don't worry about that," returned Mrs. Hilliard, patting Mary Louise's
arm affectionately. "You just do the best you can. Nobody can do more.
I'd really like it proved that none of our guests is the thief. I'd much
rather find out that it was a common burglar."

Reassured, Mary Louise went to her own room and dressed. By the time she
reached the dining room the guests who held positions had already eaten
their breakfasts and gone, and the others, who had nothing to do all day,
had not yet put in an appearance. It was only a little after eight, but
the dining room was deserted.

"I wish I had somebody to talk to," she thought sadly as she seated
herself at a little table by a window. The sunlight streamed in through
the dainty ruffled curtains, there were rosebuds in the center of her
table, and a menu from which she could order anything she wanted, but
Mary Louise was not happy. She felt baffled and lonely.

She ordered grapefruit first, and just as she finished it, Mrs.
Weinberger came into the room. She made her way straight to Mary Louise's
table.

"May I sit with you, Miss Gay?" she asked. "My daughter won't eat
breakfast for fear of gaining a pound, and it's so lonesome eating all by
yourself."

Mary Louise smiled cordially.

"I think so too, Mrs. Weinberger," she replied. "I'll be delighted to
have you."

"Do you feel nervous after last night? It must have been terrible to be
right in the room when the burglar got in. I was away when my watch was
stolen."

"Tell me about it, Mrs. Weinberger," urged Mary Louise.

"I was over in Mrs. Moyer's room," the woman explained, after she had
given her order to the waitress, "and my daughter went out of my room and
couldn't remember whether she locked the door or not. Anyway, I
discovered that my watch was gone when I was dressing for dinner." She
sighed. "It was very valuable--a present from my late husband."

Mary Louise had an inspiration.

"I believe I'll visit some pawnshops today, to ask about mine," she said,
"and I can inquire about yours at the same time, if you want me to, Mrs.
Weinberger."

"Yes, indeed! But I am afraid it is too late now. Mine was an
old-fashioned watch--we used to wear them pinned on our dresses, with a
brooch. Mine had seven diamonds on it in front, and my initials 'E. W.'
in tiny pearls on the back."

"Did you advertise?"

"Yes, of course. But nothing came of it. My daughter thinks that
transient guest--a chorus girl named Mary Green--stole it. We tried to
trace her, but we couldn't find her name with any of the theatrical
companies in town at the time."

"She never came back here to Stoddard House?"

"Oh no."

"And were the other watches stolen the same day?"

"Yes. Mrs. Hilliard's was taken during the supper hour, but she had laid
it down on the desk, so that was her own carelessness. But the Walder
girls had theirs taken while they were asleep--just as yours was."

"What were theirs like?"

"Plain gold wrist-watches, with their initials--R. W. and E. W. Their
names are Ruth and Evelyn."

"Well, I'll do what I can," concluded Mary Louise. "And now let's talk
about something pleasant."

So for the rest of the meal she and Mrs. Weinberger discussed books and
the current moving pictures.




                               CHAPTER V
                           _Another Robbery_


Mary Louise had three separate plans in view for the morning. First, she
would visit as many pawnshops as possible in the vicinity and ask to see
their displays of watches. Second, she meant to go to Strawbridge and
Clothier's department store and find out whether Margaret Detweiler had
worked there, and why and when she had left. And third, she wanted to
find some pretext to call on Miss Henrietta Stoddard in her own room and
observe her closely.

As she walked out of the dining room she met Mrs. Hilliard going towards
her little office on the first floor.

"Could I see you for a moment, Mrs. Hilliard?" she inquired.

"Certainly, my dear. Come into the office with me."

Mary Louise followed her into the room, but she did not sit down. She
knew how busy the hotel manager would be on Saturday morning.

"I have decided to visit some pawnshops, Mrs. Hilliard," she said. "I
have my own watch to identify, and I got a pretty good description of
Mrs. Weinberger's today. But I want you to tell me a little more about
the other things that were stolen."

"The silverware had an ivy-leaf pattern, and the initials 'S. H.'--for
Stoddard House--engraved on it," replied the woman. "The vase was an old
Chinese one, of an odd size, with decorations in that peculiar red they
so often use. I believe I can draw it better than I can describe it. But
I feel sure you'd never find it in a pawnshop. Whoever stole that sold it
to an antique dealer."

However, she picked up her pencil and roughly sketched the vase for Mary
Louise, giving her a good idea of its appearance. At the same time she
described the painting which had been stolen from Miss Granger's room--an
original by the American artist Whistler.

Mary Louise wrote all these facts in her notebook and kept the drawing.

"That's fine, Mrs. Hilliard," she said as she opened the door. "I'm going
out now, and I'll be back for lunch."

"Good-bye and good luck!"

Mary Louise went to her room, and from the telephone book beside her bed
she listed the addresses of all the pawnshops in the neighborhood. This
was going to be fun, she thought--at least, if she didn't lose her nerve.

She hesitated for a few minutes outside of the first shop she came to.
The iron bars guarding the window, the three balls in the doorway, seemed
rather forbidding. For Mary Louise had never been inside a pawnshop.

"I can say I want to buy a watch," she thought. "I do, too--I certainly
need one. But I'm afraid I'd rather have a brand-new Ingersoll than a
gold one that has belonged to somebody else. Still, I don't have to tell
the shopkeeper that."

Boldly she opened the door and went in.

She had expected to find an old man with spectacles and a skullcap, the
typical pawnbroker one sees in the moving pictures. But there was nothing
different about this man behind the counter from any ordinary
storekeeper.

"Good-morning, miss," he said. "What can I do for you today?"

"I want to look at ladies' watches," replied Mary Louise steadily.

The man nodded and indicated a glass case on the opposite side of the
shop. Mary Louise examined its contents intently.

"The fact is," she said, "my own watch was stolen. I thought maybe it
might have been pawned, and I'd look around in the shops first, before I
buy one, in the hope of finding it."

"Recently?"

"Yes. Last night."

The man smiled.

"If it had been pawned last night or this morning, you wouldn't find it
offered for sale yet. We have to hold all valuables until the time on
their tickets expires."

"Oh, of course! How stupid of me.... Well, could you tell me whether any
ladies' watches have been pawned here since midnight last night?"

"Yes, we've taken in two," replied the man graciously. "And I don't mind
showing them to you. I'm not in league with any thieves. I'm an honest
man."

"I'm sure of it," agreed Mary Louise instantly.

But she was disappointed upon sight of the watches. Neither of them was
hers, nor did either remotely resemble Mrs. Weinberger's or any of the
other three stolen from Stoddard House.

"Thank you ever so much," she said finally. "I think I'll look around a
little more and ask about my own, and if I can't find it, I may come back
and buy one of yours. Several of those you have are very pretty."

Thoroughly satisfied with her interview, she walked down the street until
she came to another shop. It was on the corner of an alley, and just as
she approached the intersection she noticed a woman in an old-fashioned
brown suit coming out of the side door of the pawnshop. The woman glanced
about furtively, as if she did not care to be seen, and caught Mary
Louise's eyes. With a gasp of surprise, the girl recognized her
immediately. It was Miss Henrietta Stoddard!

Before Mary Louise could even nod to her, the woman had slipped across
the street and around the corner, lost amid the Saturday morning crowd
that was thronging the busy street. Mary Louise repressed a smile and
entered the pawnshop by the front door.

She repeated her former experience, with this difference, however: she
did not find the shopkeeper nearly so cordial or so willing to
co-operate. Finally she asked point-blank what the woman in the brown
suit had just pawned.

"I can't see that that's any of your business, miss," he replied
disagreeably. "But I will tell you that it wasn't a watch."

Mary Louise wasn't sure that she believed him. But there was nothing that
she could do without enlisting the help of her father.

She visited four other shops without any success, and finally decided to
abandon the plan. It was too hopeless, too hit-or-miss, to expect to find
those watches by that kind of searching. Far better, she concluded, to
concentrate on observing the actions of the people at Stoddard House.
Especially Miss Henrietta Stoddard herself!

So she turned her steps to the big department store where she believed
Margaret Detweiler had worked till last Christmas and inquired her way to
the employment office. The store was brilliantly decorated for Christmas,
and crowds of late shoppers filled the aisles and the elevators, so that
it was not easy to reach her destination.

Nor was the employment manager's office empty. Even at this late date,
applicants were evidently hoping for jobs, and Mary Louise had to sit
down and wait her turn. It was half an hour later that she found herself
opposite the manager's desk.

Mechanically a clerk handed her an application to fill out.

"I don't want a position," Mary Louise said immediately. "I want to see
whether I can get any information about a girl named Margaret Detweiler
who, I think, worked in your store up to last Christmas. Would it be too
much trouble to look her up in your files? I know you're busy----"

"Oh, that's all right," replied the manager pleasantly, and she repeated
the name to the clerk.

"You see," explained Mary Louise, "Margaret Detweiler's grandparents
haven't heard from her for a year, and they're dreadfully worried.
Margaret is all they have in the world."

The clerk found the card immediately.

"Miss Detweiler did work here for six months last year," she stated. "In
the jewelry department. And then she was dismissed for stealing."

"Stealing!" repeated Mary Louise, aghast at such news. "Why, I can't
believe it! Margaret was the most upright, honest girl at home; she came
from the best people. How did it happen?"

"I remember her now," announced the employment manager. "A pretty,
dark-eyed girl who always dressed rather plainly. Yes, I was surprised
too. But she had been ill, I believe, and perhaps she wasn't quite
herself. Maybe she had doctor's bills and so on. It was too bad, for if
she had come to me I could have helped her out with a loan."

"Was she sent to prison?" asked Mary Louise in a hoarse whisper. Oh, the
disgrace of the thing! It would kill old Mrs. Detweiler if she ever found
it out.

"No, she wasn't. We found the stolen article in Miss Detweiler's shoe. At
least, one of the things she took--a link bracelet. We didn't recover the
ring, but a wealthy woman, a customer who happened to be in the jewelry
department at the time, evidently felt sorry for Miss Detweiler and
offered to pay for the ring. We didn't let her, but of course we had to
dismiss the girl."

"You haven't any idea where Margaret went--or what she did?"

"Only that this woman--her name was Mrs. Ferguson, I remember, and she
lived at the Benjamin Franklin Hotel--promised Miss Detweiler a job. So
perhaps everything is all right now."

"I hope so!" exclaimed Mary Louise fervently. And thanking the woman
profusely she left the office and the store.

But she had her misgivings. If everything had turned out all right, why
hadn't Margaret written to her grandparents? Who was this Mrs. Ferguson,
and why had she done this kindness for an unknown girl? Mary Louise meant
to find out, if she could.

She inquired her way to the Benjamin Franklin Hotel and asked at the desk
for Mrs. Ferguson. But she was informed that no such person lived there.

"Would you have last year's register?" she asked timidly. She hated to
put everybody to so much trouble.

The clerk smiled: nobody could resist Mary Louise.

"I'll get it for you," he said.

After a good deal of searching she found a Mrs. H. R. Ferguson registered
at the hotel on the twenty-third of the previous December, with only the
indefinite address of Chicago, Illinois, after her name. Margaret
Detweiler did not appear in the book at all: evidently she had never
stayed at the Benjamin Franklin Hotel.

With a sigh of disappointment, Mary Louise thanked the clerk and left.
Nothing had been gained by that visit.

"It must be lunch time," she decided, after glancing in vain at her
wrist, where she was accustomed to wear her watch. "I guess I'll go back
to the house."

The minute she entered the door of Stoddard House, the most terrible
commotion greeted her. A woman's shriek rang through the air; someone
cried out, "Catch her--she's fainted!" the elevator doors slammed, and
people appeared from everywhere, in wild confusion.

Mary Louise dashed through the door to the desk just in time to see Mrs.
Macgregor, the wealthy widow who lived in room 201, drop down on the
bench beside the elevator. Women pressed all around her prostrate figure:
guests, maids, Mrs. Hilliard, and the secretary, Miss Horton, who offered
a glass of water to the unconscious woman. But nobody seemed to know what
it was all about.

Presently Mrs. Macgregor opened her eyes and accepted a sip of the water.
Then she glared accusingly at Mrs. Hilliard.

"I've been robbed!" she cried. "Five hundred dollars and a pair of
diamond earrings!"




                               CHAPTER VI
                          _Saturday Afternoon_


"Do you feel any better now, Mrs. Macgregor?" inquired Mrs. Hilliard, as
the stricken woman sat upright on the bench.

"Better!" she repeated angrily. "I'll never feel better till I get my
money back again."

Mary Louise repressed a smile. Macgregor was a Scotch name.

"Now, tell us how it happened," urged Mrs. Hilliard. "When did you first
miss the money?"

"Just a few minutes ago, when I came out of my bath." She became
hysterical again. "Lock the doors!" she cried. "Search everybody! Call
the police!"

Mary Louise caught Mrs. Hilliard's eye.

"Shall I?" she asked.

Mrs. Hilliard nodded. "And tell the janitor to lock the doors and station
himself at the front to let the guests in who come home, for the girls
will be coming into lunch from work. Today's a half holiday."

By the time Mary Louise had returned, she found the crowd somewhat
dispersed. The servants had gone back to their work, but several new
arrivals had joined Mrs. Hilliard and Mrs. Macgregor. The two Walder
girls, about whom Mary Louise had heard so much, were there, and Mrs.
Hilliard introduced them. They were both very attractive, very much the
same type as Mary Louise's own friends in Riverside. Much more real, she
thought, than Pauline Brooks, with her vivid make-up and her boastful
talk.

"That is a great deal of money to keep in your room, Mrs. Macgregor,"
Evelyn Walder said. "Especially after all the robberies we've been having
at Stoddard House."

"That's just it! It was on account of these terrible goings-on that I
took the money and the diamonds from a little safe I have and got them
ready to put into the bank. Somebody was too quick for me. But I'm pretty
sure I know who it was: Ida, the chambermaid!"

"Oh, no!" protested Mrs. Hilliard. "Ida has been with me two years, and I
know she's honest."

"Send for her," commanded Mrs. Macgregor.

While they were waiting for the girl to appear, Mrs. Macgregor explained
more calmly just what had happened.

"I had the money and the diamonds in a bag on my bureau," she said. "I
was running the water in my bathroom when I heard a knock at the door. I
unlocked it, and Ida came in with clean towels and a fresh bureau cover.
While she was fixing the bureau cover, I hurried back to the bathroom,
put the towels away, and turned off the water. My bath salts fell out of
the closet when I opened the door to put the towels away, so I was
delayed two or three minutes gathering them up. I heard Ida go out and
close the door behind her, and I got into my bath. When I came back into
the bedroom, my bag was gone."

"But you didn't scream immediately," observed Mrs. Hilliard. "You must
have waited to dress."

"I had dressed in the bathroom, before I knew the bag was stolen."

"Wasn't anybody else in your room all morning, Mrs. Macgregor?" Mary
Louise couldn't help asking.

"Only Miss Stoddard. She had gone out to buy me some thread--she does my
mending for me--and she stopped in on her return from the store and took
some of my lingerie to her room."

At this moment the chambermaid, a girl of about twenty-two, approached
the group. Either she knew nothing about the robbery, or else she was a
splendid actress, for she appeared entirely unconcerned.

"You wanted me, Mrs. Hilliard?" she inquired.

"Listen to the innocent baby!" mocked Mrs. Macgregor scornfully.

Ida looked puzzled, and Mrs. Hilliard briefly explained the situation.
The girl denied the whole thing immediately.

"There wasn't any bag on the bureau, Mrs. Macgregor," she said. "I know,
because I changed the cover."

"Maybe it wasn't on the bureau," admitted Mrs. Macgregor. "But it was
somewhere in the room. You're going to be searched!"

The girl looked imploringly at Mrs. Hilliard, but the latter could not
refuse to grant Mrs. Macgregor's demand.

"I can prove I didn't take any bag," said Ida. "By Miss Brooks. I went
right into her room next and made her bed. She can tell you I did. She
was just going out--I'm sure she'll remember."

"Is Miss Brooks here?"

"I think she left the hotel about fifteen minutes ago," stated Miss
Horton, the secretary. "Before Mrs. Macgregor screamed."

"Well, we can ask her when she comes back," said Mrs. Hilliard. "Where
were you, Ida, when I sent for you?"

"Still in Miss Brooks' room," replied the girl tearfully. "I was running
the vacuum cleaner, so I never heard the disturbance."

Mrs. Hilliard turned to Mrs. Macgregor. "If Ida did steal your bag," she
said, "she would have to have it concealed on her person. Mary Louise,
you take Ida to my apartment and have her undress and prove that she
isn't hiding anything."

Without a word the two girls did as they were told and took the elevator
to the fourth floor. Mary Louise felt dreadfully sorry for her companion,
who by this time was shaking and sobbing. She put her arm through Ida's
as they entered Mrs. Hilliard's apartment.

"You know, Ida," she said, "if you did do this it would be lots easier
for you if you'd own up now. The police are bound to find out anyhow,
sooner or later."

"But I didn't, miss!" protested the other girl. "I never stole anything
in my life. I was brought up different. I'm a good girl, and my mother
would die if she knew I was even accused of stealing."

Instinctively Mary Louise believed her. Nevertheless, she had to do as
she was told, and she carefully made the search. But she found nothing.

Satisfied, she took the girl back to Mrs. Hilliard. The police had
already arrived, and more of the hotel guests had returned. Miss Stoddard
was sitting beside Mrs. Macgregor, and Mary Louise longed to suggest that
she--or rather her room--be searched.

However, the police attended to that. One officer took each floor, and
everybody's room was systematically gone through. But the valuable bag
could not be found.

The doors of the hotel were unlocked, and everybody was allowed to go in
and out again as she pleased. Mary Louise watched eagerly for Pauline
Brooks, hoping that she would prove Ida's alibi, but Miss Brooks did not
return. Undoubtedly she had a date somewhere--a lively girl like Pauline
could not imagine wasting her Saturday afternoon on "females," as she
would call the guests at Stoddard House.

The dining-room doors were thrown open, and Mary Louise and Mrs. Hilliard
went in to their lunch together. The older woman seemed dreadfully
depressed.

"Mrs. Macgregor is leaving this afternoon," she said. "And the
Weinbergers go tomorrow. If this keeps up, the hotel will be empty in
another week.... And I'll lose my position."

"Oh, I hope not," replied Mary Louise. "Everybody can't leave because
things are stolen, for there are robberies everywhere. The big hotels all
employ private detectives, and yet I've read that an awful lot of things
are taken just the same. Some people make their living just by robbing
hotel guests. So, no matter where people go, they run a risk. Even in
homes of their own."

"Yes, that's true. But Stoddard House has been particularly unlucky, and
you know things like this get around."

"I'm going to do my best to find out who is the guilty person," Mary
Louise assured her. "And this morning's robbery ought to narrow down my
suspects to those who were at the house at the time. At least, if you can
help me by telling me who they are."

"Yes, I think I can. Besides Mrs. Macgregor and myself, there were only
Miss Stoddard, the two Weinbergers, Mrs. Moyer, and Miss Brooks. All the
rest of the guests have positions and were away at work."

Mary Louise took her notebook and checked off the list.

"That does make it easier, unless one of the help is guilty. They were
all here at the time.... But of course the thief may be that same man who
stole my watch."

"Yes, that's possible, especially if he is an accomplice of one of the
guests--of Miss Stoddard, for instance."

"Yes. I've been thinking about her. She was in Mrs. Macgregor's room, you
know." But Mary Louise did not tell Mrs. Hilliard about seeing Miss
Stoddard sneaking out of the pawnshop.

"You better go to a movie this afternoon, Mary Louise, and forget all
about it for the time being," advised the manager. "Shan't I ask the
Walder girls to take you along? They usually go to a show."

"No, thanks, Mrs. Hilliard. It's very thoughtful of you, but I want to go
back to the department store and make another inquiry about the lost girl
I'm trying to trace. I'd like a chance to talk to Miss Stoddard too, and
to Pauline Brooks when she comes back. Maybe she saw the thief, if she
came out of her room when Ida said she did."

"Well, do as you like. Only don't worry too much, dear."

Mary Louise finished her lunch and went out into the open air again. Now
that she was becoming a little more familiar with the city, she thought
she would like to walk along Chestnut and Walnut streets, to have a look
at the big hotels and the expensive shops. The downtown district was
thronged with people, shopping, going to matinées, hurrying home for
their weekend holiday; the confusion was overwhelming after the quiet of
Riverside. But Mary Louise enjoyed the excitement: it would be something
to write home about.

At Broad and Walnut streets she stopped to admire the Ritz Hotel, a tall,
imposing building of white stone, where Pauline Brooks had said that her
aunt usually stayed when she was visiting Philadelphia. What fun it would
be to have luncheon or tea there some day! If only she had somebody to go
with. Perhaps Pauline would take her, if she asked her. Mary Louise
wanted to be able to tell the Riverside girls about it.

Half a block farther on she saw Pauline herself coming towards her,
accompanied by a stout, stylishly dressed woman and a very blond girl of
her own age.

"That must be Pauline's aunt," Mary Louise thought, noticing what a hard,
unpleasant face the woman had, how unattractive she was, in spite of her
elegant clothes. "No wonder Pauline doesn't want to live with her!"

"Hello, Pauline!" she said brightly. It was wonderful to meet somebody
she knew in this big, strange city.

Pauline, who had not noticed Mary Louise, looked up in surprise.

"Oh, hello--uh--Emmy Lou," she replied.

Mary Louise laughed and stood still. "We've had all sorts of excitement
at Stoddard House, Pauline. I want to tell you about it."

The woman and the blond girl continued to walk on, but Pauline stopped
for a moment.

"You mean besides last night?" she asked.

"Yes. Another robbery. Mrs. Macgregor----"

"Tell me at supper time, Emmy Lou," interrupted Pauline. "These people
are in a hurry. I've got to go."

Mary Louise was disappointed; she did so want to ask Pauline whether
Ida's story were true. Now she'd have to wait.

She continued her walk down Walnut Street until she came to Ninth, then
she turned up to Market Street and entered the department store where she
had made the inquiries that morning concerning Margaret Detweiler.

There were not so many people visiting the employment manager that
afternoon as in the morning: perhaps everybody thought Saturday afternoon
a poor time to look for a job. Mary Louise was thankful for this, and
apologized profusely for taking the busy woman's time again.

"I couldn't find anybody by the name of Ferguson at the Benjamin Franklin
Hotel now," she said, "or any trace of Margaret Detweiler at all, there.
But after I left the hotel it occurred to me that if you would give me
the address that Margaret had while she was working here, I might make
inquiries at the boarding house, or wherever it was that she lived. They
might know something. Do you think that would be too much trouble?"

"No trouble at all," replied the woman pleasantly. She told the clerk to
look in the files again. The address was a number on Pine Street, and
Mary Louise asked where that street was located, as she copied it down in
her notebook.

"Not far away," was the reply. "You can easily walk there in a few
minutes." She gave Mary Louise explicit directions.

It was a shabby red-brick house in a poor but respectable neighborhood. A
colored woman answered Mary Louise's ring.

"Nothing today!" said the woman instantly, without giving Mary Louise a
chance to speak first.

"I'm not selling anything," replied the girl, laughing. "I wanted to ask
the landlady here about a girl named Margaret Detweiler who used to live
here. Could you ask her to spare me a minute or two?"

"All right," agreed the servant. "Come in."

She ushered Mary Louise into a neat but gloomy parlor, and in a couple of
minutes the landlady appeared.

"I understand you want to ask me about Miss Detweiler?" she inquired.

"Yes," answered Mary Louise. "I am trying to find her for her
grandparents. The employment manager of the department store said she
lived here. Is that correct?"

"Yes, it is. Miss Detweiler lived here for about five months. She seemed
like a nice quiet girl, with no bad habits. She paid regular till the
last month she was here, when she took sick and had to spend a lot of
money on medicines and doctor's bills. Then, all of a sudden, she slipped
away without payin' her bill, and I never saw her again."

"She owes you money?" demanded Mary Louise.

"No, she don't now. A couple of weeks after she left, she sent it to me
in a registered letter. So we're square now."

"Didn't she send her address?"

"No, she didn't."

"Where was the letter postmarked?"

"Center Square. A little town up the state."

"Do you still have the envelope?"

"No, I haven't. But I remember the name, because I used to know folks at
Center Square."

"Didn't Margaret say anything in her letter about how she was getting on
or what she was doing?" asked Mary Louise.

"There wasn't any letter. Just a folded piece of paper."

"Oh, that's too bad! And what was the date?"

"Sometime in January. Let's see, it must have been near the start of the
month, for I remember I used some of that money to buy my grandson a
birthday present, and his birthday's on the seventh."

"Well, I thank you very much for what you have told me," concluded Mary
Louise. "Maybe it will lead to something. I'll go to Center Square and
make inquiries. You see," she explained, "Margaret Detweiler's
grandparents are very unhappy because they haven't heard from her, and I
want to do all in my power to find her. Margaret is all they have, and
they love her dearly."

The woman's eyes filled with tears.

"And may you have good luck, my dear child!" she said.




                              CHAPTER VII
                         _The Abandoned House_


When Mary Louise returned to the hotel, she found everything quiet. She
went immediately to the fourth floor; Mrs. Hilliard was in her sitting
room, knitting and listening to the radio.

"Has anything happened since I left?" asked the girl eagerly.

"No," replied the manager. "Except that another guest has departed. Your
friend Pauline Brooks came back, packed her bag, paid her bill, and left.
Of course, she was only a transient anyway, but the hotel is so empty
that I was hoping she would stay a while."

"I met her on the street with her aunt," Mary Louise said. "But she
didn't have time to talk to me. Did you question her about Ida's story?"

"Yes, and she said it was true that Ida did come into her room to make
the bed at that time, because she, Miss Brooks, had slept late. But she
didn't know how long the maid had stayed because she left the hotel
before Mrs. Macgregor discovered her loss and screamed. So it is possible
that Ida went back into Mrs. Macgregor's room."

"Personally I believe the girl is innocent," stated Mary Louise.

"So do I. As I said, she has been with me two years, and I have always
found her absolutely trustworthy. It probably was a sneak thief. The
police are on the lookout for somebody like that."

"Did you talk to Miss Stoddard?"

"No, I didn't. She went out this afternoon."

"She'll bear watching," remarked Mary Louise.

"I think so too," agreed the other.... "Now, tell me what you did with
yourself this afternoon."

Mary Louise related the story of her visit to Margaret Detweiler's former
boarding house and the scant information she had obtained. "Is Center
Square far away?" she asked.

"Oh, a couple of hours' drive, if you have a car. But do you really think
it would do you any good to go there? The girl was probably only passing
through and stopped at the postoffice to mail her letter to the
landlady."

"Yes, I am afraid that is all there was to it. But I could at least make
inquiries, and after all, it's the only clue I have. I'd never be
satisfied if I didn't do the very best I could to find Margaret for her
grandparents."

Mary Louise stayed a little longer with Mrs. Hilliard; then she went to
her own room to dress for dinner. But suddenly she was terribly homesick.
Jane and the boys would be coasting all afternoon, she knew, for there
would still be plenty of snow left in the country, and there was a dance
tonight at another friend's. Max would be coming for her in his runabout;
she would be wearing her blue silk dress--and--and----Her eyes filled
with tears. Wasn't she just being terribly foolish to stay here in
Philadelphia, missing all those good times? And for what? There wasn't a
chance in the world that she'd discover the thief, when even the police
were unsuccessful.

"But I'll never learn to be a detective until I try--and--learn to accept
failures," she told herself sternly, and she knew that, all things
considered, she had not been foolish. It might be hard at the time to
give up all the fun, but in the long run it would be worth it. She ought
to be thanking her lucky stars for the chance!

Somewhat reassured, she dressed and went downstairs to the reception
room, where the radio was playing. She found the two Walder girls, whom
she had met at noontime when Mrs. Macgregor raised the commotion. Mary
Louise greeted them cordially.

"It's beginning to rain," said Evelyn Walder, "so Sis and I thought we'd
stay in tonight and try to get up a game of bridge. Do you play, Mary
Lou?"

"Yes, indeed," replied Mary Louise. "I love it. Whom shall we get for a
fourth? Mrs. Hilliard?"

"Mrs. Hilliard doesn't like to play, and besides, she has to get up and
answer the telephone so much that she usually just knits in the evenings.
Maybe we can get one of the Fletcher girls."

"No, I heard Lucy say that they had a date," returned Ruth Walder.

Mary Louise looked disappointed; she was so anxious to meet all the
guests at Stoddard House. She had an inspiration, however. "How about
Miss Stoddard?" she asked. "Does she play?"

The other two girls looked at Mary Louise in amazement.

"Sure, she plays bridge," replied Evelyn. "But we don't want her! If you
don't mind my slang, I'll say she's a pain in the neck."

Mary Louise smiled: she thought so too.

"Mrs. Weinberger is nice, even if she is a lot older than we are,"
observed Ruth. "And she loves to play, because her daughter goes out
every Saturday night with her boy-friend, I think."

The others agreed to this suggestion, and Mrs. Weinberger accepted the
invitation immediately. So the evening passed pleasantly, but Mary Louise
did not feel that she had learned anything of value to her job.

The party broke up about ten-thirty; Mary Louise went to her room and
took out her notebook.

"It's getting so confusing," she mused. "So many things stolen, so many
people involved. These two robberies since I came--the one in my room
last night, and Mrs. Macgregor's today--make five in all. I wonder if
they could all have been done by the same person. Maybe--maybe it's a
secret band of some kind! With Miss Henrietta Stoddard as its leader!"

Her one determination, when she awakened the next morning, was to have a
talk with Miss Stoddard. Accordingly, after breakfast she asked Mrs.
Hilliard how that could best be arranged.

"Miss Stoddard always goes to Christ Church," was the reply. "Why
couldn't you plan to go with her?"

"That's a wonderful idea, Mrs. Hilliard! I always did want to visit
Christ Church--we read so much about it in history."

"I'll ask her to take you with her," offered the manager, "when she comes
out of the dining room."

The arrangement was easily made, and a couple of hours later Mary Louise
met Miss Stoddard in the lobby of the hotel. Today the spinster was not
wearing the shabby brown suit; indeed, she looked quite neat and stylish
in a dark blue coat trimmed with fur.

The rain had washed most of the snow away, and the sun was shining, so
both Mary Louise and Miss Stoddard thought it would be pleasant to walk
down to Second and Market streets, where the historic church was
situated. For a while they talked of its significance in colonial
Philadelphia, and Miss Stoddard promised to show Mary Louise the pew in
which George Washington and his family had worshiped.

It was Miss Stoddard, however, who gave the conversation a personal turn.

"You saw me come out of that pawnshop yesterday, didn't you, Miss Gay?"
she inquired. "I wanted to ask you not to say anything about my visit to
Mrs. Hilliard or to any of the other guests."

"But it is nothing to be ashamed of, Miss Stoddard," protested Mary
Louise. "Lots of people pawn things."

"I know. But not women of my type, usually. I'm rather hard pressed for
money now, so I sold an old brooch of my mother's. It didn't bring much."

Mary Louise nodded and looked at her companion. But she could not tell
whether she were telling the truth or not.

"Then," continued Miss Stoddard, "my visit might look suspicious to some
people--after all these robberies at the hotel."

"Yes, I suppose that's true."

"But it really proves my innocence, because if I had taken all that money
of Mrs. Macgregor's I shouldn't be rushing to a pawnshop now to get a
little more."

That was a good point; Mary Louise had not thought of it before.

"Who do you think did all the stealing, Miss Stoddard?" she asked
point-blank.

"The Weinberger girl! I suppose you'd call her a woman, but she seems
like just a girl to me. She and the young man she goes with are in league
together. I think he's out of work, and the two of them have been
planning to get married. So they've been stealing right and left."

"Even her own mother's watch?"

"Yes, even that."

Mary Louise was silent. It was an entirely new idea to her. Yet it was
possible; the Weinbergers had been at Stoddard House ever since the
things began to be stolen. If Hortense Weinberger were going to marry
this young man of hers, she could use the silverware, the vase, and the
painting in her new house or apartment. The watches could be pawned, and
the money would be enough to keep the young couple for a while.... Yes,
the explanation was logical.

"I have reason to believe that this couple will elope tonight," announced
Miss Stoddard.

Mary Louise's eyes opened wide with excitement. "If that man is the
thief, and if I can see him to identify him," she said, "maybe that will
solve the mystery. You remember, Miss Stoddard, a man stole my watch. He
was short and of slight build--but of course I couldn't see his face. Is
Miss Weinberger's friend like that?"

"I don't know. I never saw him. But I overheard a phone call, and
Hortense Weinberger said she'd slip out about eleven tonight. Could you
be watching then?"

"Yes, yes!" cried Mary Louise joyfully. Oh, suppose it were true, and she
could identify the man! Wouldn't it be too wonderful?

"I think you're terribly clever, Miss Stoddard," she said, "if you really
have found the solution. It will mean so much to Mrs. Hilliard. She has
been worried to death."

They had been so interested in their conversation that they did not
realize how near they were to the church. In another minute they were
walking reverently into the old building, and for the next hour and a
half, robberies and mysteries were forgotten in the solemn beauty of the
service. Nor did they refer to the subject afterwards, but walked back to
the hotel talking about historic Philadelphia.

Mary Louise went to her room after dinner and wrote down everything Miss
Stoddard had said about Hortense Weinberger. The explanation was so
plausible that she could hardly wait for the evening to come, with her
chance to identify her own particular burglar. If he were the man who had
entered her room, the whole thing would be solved and she could go home
for Christmas! Oh, how glad she was that she had had that talk with Miss
Stoddard!

In the midst of her daydreams a knock sounded at the door. A maid handed
her a card with the name "Max Miller" engraved on it.

Mary Louise let out a wild whoop of joy and, not waiting to explain,
dashed past the maid and down the steps to the lobby. And there he was.
Good old Max--looking handsomer than ever! Mary Louise could have hugged
him in her delight.

"Max! You angel!" she cried. "How did you know I'd be so glad to see
you?"

"Because I knew how glad I'd be to see you," he replied, still holding
onto her hand.

Mary Louise withdrew it laughingly.

"Women talk," she reminded him, glancing about her.

"O.K.," he grinned. "How are you? Solved your mystery yet?"

"Oh no. I've had my own watch and five dollars stolen--that's all!"

"And you call this a good time! Well, Mary Lou, you certainly can take
it.... But haven't you had enough, little girl? Please come home with
me!"

Mary Louise's eyes flashed in anger.

"Is that what you came here for, Max Miller?" she demanded.

"No--oh, no! I didn't expect you'd come home. I just wanted to see you,
so I drove down. Started early this morning. Now let's go places and do
things!"

"Where? You can't do much in Philadelphia on Sunday."

"Anywhere. We can take a drive and have our supper at some nice place
away from this henhouse."

"Now, Max----"

"Get your coat and hat. There's a good girl."

"But, Max, you must be sick of driving. And if you expect to start back
tonight----"

"I don't. I'm staying over at the Y.M. for a couple of days. So I can
watch you. Now, don't get excited! I have your parents' consent. In fact,
they thought it was a bully idea. You may be a wonderful detective, Mary
Lou, but just the same you're a darned pretty girl. And pretty girls
alone in strange cities...."

"I have Mrs. Hilliard," she reminded him.

"Yes, I know. That's what makes it _look_ all right. But it doesn't make
you safe, just the same. You could easily be kidnaped."

"You're not going to follow me everywhere I go, are you?" she asked, in
concern.

"No. Just keep an eye on you for a couple of days. And maybe help you a
bit. With a car at your disposal, you may be able to clear up things
quicker and go home in time for the senior prom. That's my little scheme,
in a nutshell."

"It will be wonderful," agreed Mary Louise. "I'll admit there have been
moments when I've been homesick, Max." Her eyes brightened. "I know where
I want to go this afternoon! To Center Square."

"Where's that?"

"I don't know. Out in the country somewhere--you can look it up on your
map."

"O.K. I'm ready, Mary Lou. The car is at the door. Run up and get your
hat and coat. Wrap up warmly. It's a lot warmer, and most of the snow's
gone, but you know my runabout isn't like a heated limousine."

In five minutes she was back again, looking very pretty in her squirrel
coat, with its matching toque. Leaving word for Mrs. Hilliard that she
would not be back for supper, she got into the car with Max.

As the couple started, Mary Louise explained why she wanted to go to
Center Square: that her project had nothing to do with the thefts at the
hotel but was the hope of tracing Margaret Detweiler. And she told her
companion the facts she had learned about the girl.

"I'm even more anxious to find her than to solve the mystery at Stoddard
House," she said, "because of those two old people. It's just too
dreadful for them."

Max nodded. He knew the Detweilers and felt extremely sorry for them.
Everybody in Riverside liked them and pitied them in their distress.

"I just can't bear to tell them that Margaret was dismissed from the
department store for stealing," she added.

"I wouldn't," advised Max. "Better tell them nothing at all than that. It
wouldn't help any and would only cause them unhappiness."

Mary Louise asked about everything that had happened at Riverside since
she had left. It had been only two days, but it seemed like an age. Max
described the party the night before, but it was a poor affair without
Mary Lou, according to his idea, and he had left early so he could get
off at daybreak this morning.

The day was clear and warm, and except for the slush on the roads the
drive was delightful. The young people were happy to be together again
and enjoyed every minute of it.

It was already dusk of the short winter day when they arrived at Center
Square and stopped at the country hotel.

"We're going to want dinner in an hour or so," Max told the clerk. "But
first we want to see whether we can locate a girl who was here late last
winter. Did a young woman named Margaret Detweiler ever register here?"

The clerk obligingly looked through his book. But the name was not there.

"She's tall and slender and very dark," said Mary Louise. "Has wavy hair
and an olive complexion."

The clerk shook his head.

"No, I don't remember seein' anybody like that around. Not many strangers
come here--except automobile parties sometimes, stoppin' to eat."

"Are there any empty houses she might have rented?" was Mary Louise's
next question.

"None rented as I know of. There's some abandoned houses around, places
where people sometimes come just for the summer."

"Where?"

The clerk gave the directions.

"Now one more question. Where does the postmaster live? For of course the
postoffice is closed on Sunday."

"Sure it's closed. But the postmaster lives right over top of it. Across
the street a way from here."

Mary Louise and Max went there next and were fortunate enough to find the
man at home. When Mary Louise told him about the registered letter and
described the girl, he said he believed he did remember. So few people
came to the little country town; still fewer registered letters. But
Margaret hadn't stopped in a car, he thought--she had walked from
somewhere. No, he was positive she hadn't been boarding with any of the
folks around, or he'd have heard of it.

Well, that was something definite! Maybe she was hiding in one of those
empty houses the clerk had spoken of, to escape from the police.

Max turned his car off the main highway into a little dirt road, almost
impassable with its slush and snow. He stopped in front of the first
empty house which the clerk had described. It was dark and forlorn.

"There would be some sort of light if anybody were living there,"
observed Max.

"You can't tell," replied Mary Louise. "If Margaret were hiding, she'd be
careful about lights. Let's get out and look."

"But why should she hide? Didn't you tell me the employment manager
promised not to send her to jail?"

"Yes, but you don't know what crimes she's committed since. If she were
behaving herself, wouldn't she have written to her grandparents? Either
she's dead or she's doing something wrong."

They waded through slush over their shoe-tops but could see no signs of
any life. Mary Louise decided to try another house.

"It's a wild theory, Mary Lou, but you're the doctor," agreed Max. "So
long as my bus'll run, I'm game."

"You are a sport, Max! I don't know what I'd do without you."

"Men are helpful sometimes, aren't they?"

"I guess they're absolutely necessary," replied Mary Louise modestly. "I
never seem to be able to get along without them."

"That's the proper attitude for a girl," he answered gayly.

Farther along the road they stopped in front of another empty house. It
was situated at the top of a steep incline and almost completely
surrounded by trees.

"Can you climb that hill, Max?" she asked.

"I can try--if you think there's any use," he replied.

It was a difficult task, for the driveway was so covered with slush that
it was hard to tell which was road and which was field. But Max made it
in low gear, and they came to a stop in front of a barn, under a big
tree.

The house was shabby and unpainted; its windows were covered with boards,
and its heavy doors without glass. Mary Louise shuddered: it reminded her
of Dark Cedars.

Max turned off the motor and jumped out of the car.

"Nobody home, I guess," he announced.

From her seat in the car Mary Louise stared at the house, peering into
the strip of glass above the boards on the windows. She thought she saw a
flicker of light, as if a candle were burning. Yes, she was sure of
it--and--a face appeared at the window! Two frightened eyes looked right
into hers. A second later another face appeared, more plainly than the
first, for this person evidently had hold of the candle. The first face
had vanished, and Mary Louise saw only that of an exceedingly ugly
woman--someone who looked somehow familiar.

That very instant the tiny light went out, and at the same moment Mary
Louise sank unconscious in her seat. A stone, hurled from the tree above
her, had hit her right on the head!




                              CHAPTER VIII
                             _Knocked Out_


Max, who was standing on the ground near by, heard the heavy thud of the
stone as it hit the floor of the car. Turning about sharply, he saw Mary
Louise slumped in her seat, unconscious from the blow. He flung open the
door and jumped in beside her.

"Mary Lou! Mary Lou! Are you alive?" he cried desperately.

The girl did not answer.

"Help! Help!" he shrieked, at the top of his lungs.

A mocking laugh sounded from the tree above. Max looked up, but in the
darkness he could see no one. How he wished he had his flashlight! But it
was behind in the rumble seat, and he daren't waste a minute; he must get
Mary Lou to a doctor with all possible speed.

Starting his engine immediately--for there was no reply to his call for
help--he circled around the tree and crept cautiously down the slippery
hill, praying as he had never prayed before. Oh, suppose Mary Louise were
dead!

With as much speed as he dared put on, he drove back to the Center Square
hotel. As he came to a stop he felt a little movement beside him, and
Mary Louise raised her head and opened her eyes.

"Where are we, Max?" she asked. "What happened?"

"Oh, my darling!" he cried, flinging his arm around her shoulders. "You
are alive!"

The girl managed a feeble laugh.

"Of course I am. My head hurts dreadfully, though. What happened?"

"You were hit by a stone--see it there, on the floor?--from that tree we
were parked under. It knocked you out.... Now, can you manage to walk up
to the hotel, or shall I carry you?"

"I can walk," she replied, taking his arm.

In the light of the hotel doorway Max saw the blood running down her
neck. He wiped it with his handkerchief.

"Can we have a doctor immediately?" he asked the hotel clerk the moment
they were inside the door.

"Yes, there's one in the dining room now, eating his dinner. I'll call
him. An accident?"

Max explained the strange happening at the empty house, but the clerk
said he did not know anything about the place. He had not heard of any
gangsters in these parts.

The doctor came immediately and dressed Mary Louise's head. The cut was
not serious, he assured her; it was not in a vital place. When it was
washed and bandaged she was able to eat her dinner with enjoyment.

"Maybe that first person I saw was Margaret Detweiler," she said. "I wish
I could stay here all night and go investigate tomorrow. But Mother
wouldn't approve of it."

"I should say not!" thundered Max. "I'm taking you back to Mrs. Hilliard
tonight, and I think you had better go home to Riverside tomorrow."

"Indeed I won't, Max. And that reminds me, I have to be at the hotel
tonight at eleven o'clock. I want to spy on an elopement."

"Elopement! What next?"

"Well, one of the guests, a Miss Stoddard, who happens to be a niece of
the founder of Stoddard House, thinks another guest is eloping tonight.
She thinks this couple are responsible for all the robberies at the
hotel. You know it was a man who entered my room and stole my watch, so I
hoped maybe I could identify this fellow as the burglar. If I could, the
mystery would be solved."

"And you could go home?"

"Yes, unless I could find out something more about Margaret Detweiler.
But I wouldn't stay here just on purpose for that. I'd go home and see
what I could do from there, with Dad's help."

"What time is it now, I wonder?" asked Max. "We must get back without
fail!"

"I don't know," replied Mary Louise regretfully. "I haven't any watch."

"I'm going to buy you one for Christmas, if I get a check from Dad,"
announced Max. "Of course, it will be late, but I'll give you your other
present first, so you wouldn't mind that, would you, Mary Lou?"

"You'll do nothing of the sort!" protested the girl. "I couldn't accept
it. If you get a check from your father it's to buy something for
yourself. I'll get an Ingersoll tomorrow when I'm in town.... Now, what
time is it?"

"It's half-past eight. If you feel able, I think we better go along,
because I don't dare drive too fast on these slippery roads at night."

"I'm all right--I only have a headache now. So let's get going."

Max paid the bill, and they were off.

"Now, what will your plans be for tomorrow?" he inquired, as they rode
along.

"I'd like to come out here and visit that empty house with a policeman,"
she replied. "If it's possible, I will. But of course I have to see what
turns up at the hotel. That is my real job: I'm being paid for it, and my
father and Mrs. Hilliard are counting on me to do my best."

"I wouldn't care if you never saw Center Square again," muttered Max
resentfully. "Still, it would be great to catch the guy who threw that
rock at you."

"And find out whether the girl really was Margaret Detweiler. Yes, and
I'd like to see that ugly woman again. I've seen her face before
somewhere, but I can't place her. You don't forget a face like that."

"There's something crooked about their hiding in that house," remarked
Max.

"Yes, of course.... Well, to continue with my plans: I'll see what
develops tonight. If there really is an elopement, I'll try to identify
that man. If he isn't anything like my burglar, I'll believe that Miss
Stoddard is guilty herself and that she just made the whole story up to
throw suspicion away from herself."

Max regarded her admiringly.

"You are a pretty clever girl, Mary Lou," he said. "I do think you'll
make a swell detective."

"Thanks, Max. But I'm afraid there's nothing clever about that. It's just
using common sense."

"Well, the good detectives say that's the most important thing: not to
let anything escape their notice and to use common sense all the time."

They talked of other things for a while, of school and dances and
basketball. Finally they reached Stoddard House, a little after ten
o'clock.

"Oh, I do hope we're in time!" exclaimed Mary Louise.

They found the hotel almost deserted. Mrs. Hilliard was sitting in a
chair, knitting. Nobody else was around.

"Did you have a good time, dear?" she asked, after Max had been
introduced to her.

"An exciting time," replied the young man. "Mary Lou was hit on the head
with a stone and knocked out. But detectives have to expect that sort of
thing, I suppose."

"Sh!" warned the girl. "Nobody except Mrs. Hilliard is supposed to know
I'm acting as detective."

"I didn't k-n-o-w that!" apologized Max, in the tone of Joe Penner.

Mrs. Hilliard looked troubled. "Tell me what happened," she urged.

Briefly Mary Louise related the story, and the good woman was relieved to
hear that the blow was not serious. She was thankful, too, that the job
at Stoddard House had not been responsible for it.

"Are the Weinbergers still here?" was Mary Louise's next question.

"Mrs. Weinberger is. But her daughter went out early this afternoon, and
I don't think she came back. Her mother was in a great stew at supper
time. You would think from the way she carries on that her daughter was a
girl in her teens instead of a woman of twenty-eight or so."

A look of disappointment crossed Mary Louise's face.

"I must see Miss Stoddard," she announced. "Max, you wait here with Mrs.
Hilliard till I come back, because I may need you. I shan't be gone
long."

She ran off and took the elevator to the third floor and knocked at Miss
Stoddard's door.

"Who is it?" was the query.

"Mary Louise Gay. May I come in, Miss Stoddard?"

The woman turned the key in the lock and opened the door. She was dressed
in a kimono and slippers.

"You're too late, Miss Gay," she said. "Miss Weinberger has already
eloped. I'm sure of it. I saw her get into a taxi this afternoon, and one
of the maids came out and brought her her suitcase. She probably had
hidden it somewhere from her mother. She's probably married by now--and
run off with all the money and jewelry from Stoddard House!"

"Oh!" gasped Mary Louise in dismay. "Why wasn't I here! Did you see the
man, Miss Stoddard?"

"No--unless he was the taxi driver. But I didn't even get a good look at
him."

"Probably she was to join him somewhere. He wouldn't risk coming near the
house in broad daylight if he was the burglar who entered my room."

"No, that's true."

"If Hortense Weinberger really is married," said Mary Louise, "don't you
suppose her mother will hear about it tomorrow? And if I keep in touch
with her mother, I ought to see the man when he comes back from the
honeymoon."

"Mrs. Weinberger was planning to leave Stoddard House tomorrow," returned
Miss Stoddard.

"Yes, I know. But this may alter her plans. And besides, she will surely
give her forwarding address to Mrs. Hilliard. She has no reason to hide;
she doesn't have any idea that her daughter or her husband is suspected
of stealing."

"I hope you're right, Miss Gay.... Now, tell me what happened to your
head."

"I was riding in an open car, and a stone fell out of a tree and hit me,"
she answered simply.

The older woman pulled down the corners of her mouth and looked doubtful.

"Of course, she's thinking I'm just a wild young girl," Mary Louise
concluded. But it really didn't matter in the least to her what Miss
Stoddard chose to believe about her. "Well, I must get to bed, Miss
Stoddard," she said aloud. "So good-night."

"Good-night," returned the other, carefully locking the door after Mary
Louise went out.

A moment later the girl joined Mrs. Hilliard and Max on the first floor.

"Miss Stoddard thinks Miss Weinberger eloped this afternoon," she
announced.

Mrs. Hilliard laughed incredulously.

"Old maids love to imagine romances," she said. "Well, we'll see.... Now,
don't you think you had better go to bed?" she asked Mary Louise in a
motherly way.

"Yes, I do," agreed the girl, "Max, if you're still here, I'd be glad to
have you come to lunch with me tomorrow. We're allowed to have men to
meals, aren't we, Mrs. Hilliard?"

"Certainly, dear."

"Nix on that!" protested the young man immediately. "Can you imagine
me--one lone fellow--in that dining room full of dames? Looking me over
and snickering at the way I wear my hair or tie my shoes? Nothing doing!
I'll call for you at one, Mary Lou, and we'll go out somewhere to lunch."

"O.K.," agreed the girl, smiling. "See you then!"




                               CHAPTER IX
                        _Lunch at the Bellevue_


Mary Louise slept late the following morning. The dining-room doors had
been closed for an hour when Mrs. Hilliard finally came into her room.

"What time is it, Mrs. Hilliard?" she inquired, opening her eyes and
staring at the bright sunlight pouring through the windows.

"It's almost eleven o'clock. I thought you had better sleep this morning,
Mary Louise, on account of your head. How do you feel?"

"Oh, I'm all right, Mrs. Hilliard, thank you. But this is no time for
anybody with a job to get up! I'll get fired."

The woman laughed.

"My dear, you are doing all that anybody could do, I believe. I am afraid
the situation is hopeless. Mrs. Weinberger moved out this morning."

"Did she hear from her daughter?"

"Yes, she had a telegram. She is married and has gone to New York for a
honeymoon over Christmas."

"How did her mother take it?"

"Very badly. She seemed all cut up about it. The man has a job as a taxi
driver, and though Mrs. Weinberger has never met him, she is sure he is a
rough, uneducated fellow."

"Miss Stoddard thinks he is our thief," announced Mary Louise. "She
believes he has been working with Miss Weinberger's help." Mrs.
Hilliard's eyes opened wide in astonishment.

"That might be possible," she said.

"Yes. You remember it was a man who entered my room Friday night. And
with Miss Weinberger to watch out for him, he could have sneaked into
'most any of the rooms. That's the theory I wanted to work on today.
Where did Mrs. Weinberger go?"

"To the Bellevue--temporarily. She said that she'd find something cheaper
later on and send me her forwarding address. But she will stay at the big
hotel for a few days, till her daughter comes back."

"Then I'm going to go see her there. Isn't there something she left that
I could take over to her, to use for an excuse?"

"A special-delivery letter arrived a few minutes ago. I was going to send
it over this afternoon by one of the maids."

"Let me take it! And I'll have Max take me there to lunch so I can say I
was coming to the hotel anyway. Where is it?"

"Broad and Walnut--right across the street from the Ritz Carlton. Your
friend will probably know.... Now, you get dressed, Mary Louise, and come
over to my apartment for a cup of coffee. You must have something before
you leave."

"Thanks very much, Mrs. Hilliard. If it isn't too much trouble."

She was ready before one o'clock, her bandage entirely covered by her
hat, and was waiting downstairs in the lobby for Max when he arrived.

"You're looking fine today, Mary Lou!" he exclaimed admiringly. "How's
the head?"

"Oh, it's all right. Max, could we go to the Bellevue for lunch? And will
you please let me pay the bill--out of my salary? Because it's on account
of the job that I want to go there."

"Sure we can go," he replied. "But nix on the bill. Unless you eat
everything on the bill of fare."

"I know, but it's a big hotel, and it may be dreadfully expensive."

"We'll see," he agreed.

Max left his car in an open-air garage near the hotel, and the two young
people entered together. Mary Louise thought it was a lovely place, and
she pressed Max's arm jubilantly. What fun it was to have a companion!
She wouldn't have enjoyed lunching there alone at all, but having Max
made it seem like a party.

The hotel was quite crowded, probably with numerous vacation guests and
Christmas shoppers, and the young couple made their way slowly to the
dining room. In the passageway they suddenly came upon Pauline Brooks
with another girl--the same blond girl she had been with on Walnut Street
the preceding Saturday noon.

"Pauline!" exclaimed Mary Louise. "How are you?"

Pauline turned around, and seeing Mary Louise's handsome companion her
smile included him. Mary Louise introduced Max, and Pauline in turn
introduced the cute little blond as Miss Jackson. The girl immediately
began to roll her eyes at Max.

"I was so disappointed that you moved away from Stoddard House," said
Mary Louise.

"I didn't like the atmosphere," replied Pauline. "Too much stealing. I
was afraid I wouldn't have anything left if I stayed."

"But you didn't lose anything, did you?" asked Mary Louise.

"No, but I wasn't taking any chances. Besides, it's a lot more
comfortable here."

"Here? I thought you were at the Ritz?"

Pauline laughed.

"I was. But my aunt went out to the country, so I moved over here. Like
it better."

"I see."

Suddenly a thought came to Mary Louise: That woman whom she had seen in
the empty house--her face looked like Pauline's aunt! That was the person
she had reminded her of!

"Is your aunt's place at Center Square?" she inquired.

Mary Louise thought she saw Pauline start at the question, but she
answered it carelessly enough. "It's not in any town," she said. "Just in
the country.... Well, I'll be seein' you." She started away.

"Wait a minute," begged Mary Louise. "Did you girls ever meet a girl
named Margaret Detweiler, from Riverside? I am trying to find her for her
grandmother."

"Margaret Detweiler--yes----" began Miss Jackson.

But Pauline interrupted her. "You're thinking of Margaret Lyla, Blondie,"
she corrected. "We don't know any Margaret Detweiler."

"That's right," agreed the other girl, in obvious confusion.

Mary Louise sighed: she had probably been mistaken. And it was all so
mixed up, anyhow. Her memory of the night before, of those two faces at
the window, was already growing vague.

She and Max went on into the dining room.

"Some high-steppers," remarked Max. "Not your type, Mary Lou."

"I don't care for the little blonde," agreed Mary Louise. "But I did sort
of like Pauline Brooks. She was my first friend here in Philadelphia, and
she seemed awfully sociable."

"I don't like her," said Max emphatically.

Of course, Mary Louise was flattered, and she smiled contentedly.

"Well, you needn't worry--she'll never be one of my best friends," she
said.

The waiter led them to a table with a pretty bouquet on the shining white
linen cover, and Mary Louise felt almost as if she were at a party. An
orchestra was playing, and there were many people dancing. Everything
here spoke of gayety and life: no wonder Pauline Brooks referred the
Bellevue to Stoddard House. But she must be very rich to be able to stay
here.

"A big city is grand, isn't it?" she remarked to Max, her eyes sparkling
with excitement.

"Sometimes," he admitted. "But it can be an awfully lonely place too,
Mary Lou. It all depends on who is with you." And his eyes told her who
the person was whom he preferred.

"Yes, I guess you're right, Max. I was lonely--and it was wonderful of
you to come. I wish you could stay the whole time here with me."

"I'm supposed to go back tonight, or tomorrow morning early at the
latest. But I could break that on one condition."

"What's that?" demanded Mary Louise.

He lowered his voice to almost a whisper.

"Mary Lou, you know how much I care for you. You know I've adored you
since the first minute I met you. There's never been anybody else. Let's
get married--now--today--and keep it secret till I graduate in June.
Then----"

The waiter approached diplomatically. Mary Louise picked up the menu in
confusion. She had never dreamed Max would suggest such a thing. Why, she
had no idea of getting married for years and years!

"I'll take this special luncheon," she said, noticing that its cost was
moderate.

"I will too," added Max, anxious to get rid of the waiter.

"What do you say, Mary Lou? Will you?" His voice was so eager that the
girl was deeply touched.

"Oh no, Max. I couldn't. I don't love you--or anybody--that way yet. And
I couldn't deceive my parents or let you deceive yours."

"We might just tell our fathers and mothers," he suggested.

"No, no, I couldn't. Let's don't even talk about it. I'm here in
Philadelphia on a detective job, and I mean to give it my very best. I'll
be sorry to have you go home, but maybe it will be better. I'll work
harder if I haven't anybody to play around with. Now--what would you say
to a dance while we wait for our first course?"

The couple glided off to the music, and more than one person in that big
dining room noticed the graceful, handsome pair and envied them their
happiness. When they came back to their seats their soup was ready for
them.

"Here come your friends," remarked Max, as Pauline Brooks and her blond
companion entered the dining room. "And take a look at the fellows they
have with them!"

"I don't like their looks," announced Mary Louise emphatically.

"Neither do I, needless to say. Just goes to show you what kind of girls
they are.... Mary Lou, I want you to drop that Brooks woman. She might
get you into harm. Promise me!"

"No need to promise," laughed Mary Louise. "I'll probably never see her
again now that she's moved away from Stoddard House."

Mary Louise ate her luncheon with keen enjoyment. There was nothing like
going without breakfast, she said, to give you an appetite for lunch.

"Do you think there's any chance of your getting home for Christmas?"
asked Max wistfully.

"No, I don't believe so," she replied. "I try not to think about it. It
will be my first Christmas away from home, the first time I ever didn't
hang up my stocking. But, Max, if I could solve this mystery for Mrs.
Hillard, it would be worth ten Christmas stockings to me. I just can't
tell you what it means."

"Yes, I realize that. But it doesn't seem right. The fun at
home--visiting each other's houses after dinner, and the Christmas dance
at the Country Club! Gosh, Mary Lou, I just can't bear it!"

"Why, Max, I'll be the homesick one--not you," she reminded him.

Her eyes traveled around the room while they were waiting for their
dessert, and she caught sight of Mrs. Weinberger, eating a lonely lunch
in a corner by a window, looking as if she didn't care whether she lived
or died. Mary Louise felt dreadfully sorry for her; she was glad to have
an excuse to go to speak to her after lunch.

She took Max over and introduced him. Mrs. Weinberger acknowledged the
introduction, but she did not smile. She looked as if she might never
smile again.

"Yet how much gloomier she would be if she knew we suspected her daughter
and her husband of those crimes!" thought Mary Louise.

"I have a special-delivery letter for you, Mrs. Weinberger," she said. "I
was coming here for lunch, so Mrs. Hilliard asked me to bring it over to
you."

"Thank you," replied the woman, taking the letter and splitting the
envelope immediately. "You heard that my daughter is married, Miss Gay?"

"Yes, Mrs. Hilliard told me." Mary Louise longed to ask when the
honeymooners would be back, but she hesitated because Mrs. Weinberger
looked so gloomy.

The woman drew a snapshot from the envelope.

"Why, here is their picture!" she exclaimed. "And--he's positively
handsome!"

Eagerly she handed the photograph to Mary Louise, anxious for the girl's
good opinion of the new son-in-law.

What an opportunity for the young detective! Mary Louise's fingers
actually trembled as she took hold of the picture.

But all her hopes were dashed to pieces at the first glance. The man was
as different from Mary Louise's burglar as anyone could possibly be. Six
feet tall and broad-shouldered, he was smiling down tenderly at his new
wife, who was at least a foot shorter.

"He's charming, Mrs. Weinberger," she tried to say steadily. "May I offer
my congratulations?"

The older woman straightened up--and actually smiled!

"He is a civil engineer," she read proudly. "But he couldn't get a job,
so he's driving a taxi! Well, that's an honest living, isn't it?"

"I should say so!" exclaimed Max. "You're lucky you don't have to support
him--as so many mothers and fathers-in-law have to nowadays."

Mary Louise was pleased for Mrs. Weinberger's sake but disappointed for
her own. Miss Stoddard was all wrong: the solution was incorrect. And she
was just as much at sea as ever!

"There's your friend Pauline Brooks," remarked Mrs. Weinberger.
"And--look who's with her!"

"That's a friend of hers--a Miss Jackson," explained Mary Louise, as the
two girls, with their boy-friends, got up to dance.

"Miss Jackson nothing! That's Mary Green--the chorus girl who was staying
at Stoddard House when my watch was stolen. I'd like to have a talk with
that young woman. But I suppose it wouldn't do any good."

Mary Louise's eyes narrowed until they were only slits; she was thinking
deeply. Mary Green--alias Miss Jackson! The next step was to find out
whether Pauline Brooks too had a different name at this hotel!

Maybe at last she was on the right track.




                               CHAPTER X
                         _In the Dead of Night_


"How about a movie?" suggested Max, as the young couple left the hotel
dining room.

"Oh no, Max," replied Mary Louise. "No, thanks. I have to work now. I'm
going to stay right here."

"In the hotel? Doing what?"

"Some investigating."

"You think that young man is guilty? He looked honest to me."

"No, I don't believe he's guilty. I--I'll explain later, Max, if anything
comes of my investigations.... Now, run along and do something without
me."

"Can I see you tonight?"

"I could probably go to an early show with you after dinner. I'm not
sure, so don't stay in Philadelphia just on account of that. I mean, if
you want to start back home."

"I'm going to start home at daylight tomorrow, morning," replied the
young man. "So I'll surely be around tonight. At Stoddard House soon
after seven."

"All right, I'll see you then. And thanks for a lovely lunch, Max. It's
been wonderful."

The young man departed, and Mary Louise hunted a desk in one of the
smaller rooms of the Bellevue--set aside for writing. She placed a sheet
of paper in front of her and took up a pen, as if she were writing a
letter. But what she really wanted to do was to think.

"I was wrong twice," she reasoned. "First in suspecting Miss Stoddard,
then in believing Miss Weinberger guilty. I'll go more carefully this
time.

"If my very first guess was right--that the transient guests were
stealing the valuables from Stoddard House--I must begin all over again.
Mrs. Hilliard said there were two girls staying at the hotel for a day or
so when the silverware and the vase were stolen.... Are these girls in
league with Mary Green and Pauline Brooks? Are they all members of a
secret band of thieves? That's the first question I have to answer."

She frowned and opened her notebook. Why hadn't she gotten the names of
those girls from Mrs. Hilliard's old register?

The second crime--the stealing of the watches--she could pin on Mary
Green, alias "Blondie Jackson."

Now for the last three robberies. They had all taken place while Pauline
Brooks was at Stoddard House!

Mary Louise considered them separately. Pauline could have stolen Miss
Granger's money and her picture, but it was a man who entered Mary
Louise's bedroom on Friday night and who took her watch and her money.
Was one of those young men whom Pauline was dining with today an
accomplice? If so, how did he escape from the hotel? Out of Pauline's
window?

Finally, she thought over the circumstances of Mrs. Macgregor's robbery,
and she almost laughed out loud at her own stupidity. Pauline had left
her own room as soon as the maid came in to clean it; she had slipped
into Mrs. Macgregor's room and stolen the bag containing the valuables
and had left the hotel immediately, before Mrs. Macgregor came out of her
bath. Why hadn't she thought of that explanation before?

The solution seemed logical and plausible, yet how, Mary Louise asked
herself, could she prove her accusations? None of these girls had been
caught in the act; probably none of them still possessed the stolen
articles, and the money had not been marked in any way or the serial
numbers taken.

This fact was dreadfully discouraging. If Mary Louise could not prove the
girls' guilt, she could do nothing about it. She couldn't even assure
Mrs. Hilliard that there would be no more robberies at Stoddard House,
because she could not know how many members of this gang there were, and
the manager could not suspect every transient guest who came to the
hotel.

No, she concluded, there was nothing to do but try to catch them in a new
crime. If they really made it their business to rob hotels, they would
probably carry out some plan here at the Bellevue tonight. Mary Louise's
only course was to watch them.

With this determination in mind, she went to the clerk's desk in the
lobby.

"Could I see the manager?" she inquired.

The man looked at her quizzingly, wondering whether Mary Louise was a
patron of the hotel or a society girl who wanted to collect money for
something.

"Are you a guest at the hotel, miss?" he asked. "Or have you an
appointment?"

"No to both questions," she replied. "But I am a private detective, and I
want to consult him about something."

"O.K.," agreed the clerk. "What name, please?"

"Mary Louise Gay."

The clerk reached for the telephone, and in another minute he told Mary
Louise where to find the manager's office. She followed his directions
and walked in bravely, hoping that the man would not think she was
dreadfully young.

"I am staying at a small hotel for women called Stoddard House," she
began, "to investigate a series of robberies which they have had there.
The Philadelphia police have my name, and if you wish to identify me,
please call Mr. LeStrange."

"I will take your word for it, Miss Gay," replied the man, smiling.

"These robberies have always occurred when there was a transient guest at
the hotel," she explained. "The last series, while I was at the place,
led me to suspect a certain girl; the series before that led other people
to suspect another girl. I find these two girls are living here now at
the Bellevue--they seem to go from one hotel to another, for they were at
the Ritz only last Saturday. They evidently use different names. I should
like to meet your hotel detective, explain the case to him, and get
permission to watch these two young women."

The manager did not appear as surprised as Mary Louise expected him to
be. But she could not know how common hotel robberies were at the present
time.

"I will send for our detective," he said. "You have my permission to go
ahead--under his orders, of course."

"Oh, thank you!" cried Mary Louise, delighted that so far it had been
easy.

The manager sent for the detective, a nice-looking man of about thirty.
He introduced him as Mr. Hayden, and repeated Mary Louise's story.

"What would your plan be, Miss Gay?" asked the detective. He treated her
respectfully, as if she were indeed a real member of the profession, and
Mary Louise felt proud and happy.

"First of all, I want to find these girls' names on the hotel register
and see what names they are using. Then I want, if possible, to engage a
room near theirs and listen for them all night. And third, I want you, or
one of your assistants, Mr. Hayden, to be right there in readiness, in
case they do anything tonight."

"You haven't evidence enough to convict them of the robberies at Stoddard
House?" asked Mr. Hayden.

"Oh no. I may be entirely mistaken. It is only a clue I am going on. But
I believe it is worth following up."

"What do you say, Hayden?" inquired the manager.

"I'm glad to help," replied the younger man. "I'll be on duty tonight,
anyhow, and I'd enjoy the investigation. Nothing is lost, even if nothing
does happen."

"Then let's go have a look at the register," suggested Mary Louise.

"Better send for it," said the detective. "Arouse no suspicions."

The book was brought to them, and Mary Louise looked carefully for the
names of Pauline Brooks and Mary Green. But she did not find them. She
did, however, find the name of Mary Jackson, and with it a name of
Catherine Smith, both of whom had arrived that day and engaged a room
together on the sixth floor.

"Those must be the girls," she concluded. "Room 607. What's the nearest
room you can give me?"

The manager looked in his records.

"609 is moving out tonight. Would that be time enough--or do you want it
now?"

"No, that's plenty of time. And another thing, can you tell me where Mrs.
Weinberger's room is? I met her at Stoddard House, and she would be a
sort of chaperon for me."

"Her room is on the tenth floor," was the reply: "1026."

"Thanks. Then put me down for 609, and I'll phone Mrs. Weinberger this
afternoon. I'll come back early this evening, and I'll ask Mrs.
Weinberger to meet me in one of the reception rooms. Then, could you come
there too, Mr. Hayden?"

The man nodded, smiling. How correct this girl was about everything!

"Then I believe it's all arranged," said Mary Louise, rising. "I'll go
back to Stoddard House. And if you have a chance, Mr. Hayden, will you
keep your eye on these girls we're suspecting?"

"But I don't know them," he reminded her.

"I'd forgotten that! Well, let me describe them. Maybe if you visit the
sixth floor, you will see them go in and out."

She went on to tell him that Pauline Brooks--or Catherine Smith, as she
called herself here--was a striking brunette, and that her companion,
Mary Green--or Mary Jackson--was noticeably blond; that both girls were
short and slender and wore fur coats and expensive jewelry; that both
were as little like the typical sneak thieves as could possibly be
imagined.

As Mary Louise walked along the street she decided not to tell Mrs.
Hilliard any of the details of her plans or who the girls were that she
was watching. If nothing came of her theory, she would feel foolish at
having failed the third time. Besides, it wasn't fair to the girls to
spread suspicion about them until she had proved them guilty.

She stopped at a jewelry store and purchased a small, cheap watch, which
she put into her handbag. Then she went back to the hotel.

Immediately upon her arrival at Stoddard House she called Mrs. Weinberger
on the telephone; then, assured of her coöperation, she went to Mrs.
Hilliard's office.

"I have decided to spend the night at the Bellevue," she said. "Mrs.
Weinberger is going to be my chaperon."

The manager looked doubtful. "But I promised your father I'd keep you
right here with me," she objected.

"I know, but this is important. I think I'm on the track of a discovery.
And Mrs. Weinberger has promised to look after me."

"Does she know that you suspect her daughter, Mary Louise?"

"No, because I don't suspect her any longer. Or her new husband either.
My clues point in another direction. This time I'm not going to say
anything about them till I find out how they work out."

"I suppose it will be all right, then," agreed Mrs. Hilliard
reluctantly.... "What are your immediate plans, dear?"

"I'm going to sleep now till six o'clock, because it's possible I may be
awake most of the night. I'll have my dinner here with you then, or with
the Walder girls, and after that I'm going to a show with Max. About
nine-thirty I'll get to the Bellevue--Mrs. Weinberger is going to wait up
for me and go to my room with me."

"I'm afraid something may happen to you!" protested the good woman.

Mary Louise laughed.

"Mrs. Hilliard, you aren't a bit like an employer to the detective she
has hired. Instead, you treat me like a daughter. And you mustn't. I
shan't be a bit of use to you if you don't help me go ahead and work
hard."

"I suppose you're right, Mary Louise," sighed Mrs. Hilliard. "But I had
no idea what a lovable child you were when I told your father I didn't
mind hiring anybody so young as long as she got results."

"I only hope I do!" exclaimed Mary Louise fervently.

She went to her own room, packed only her toilet articles in her
handbag--for she had no intention of going to bed that night--and lay
down for her nap. It was dark when she awakened.

Dressing hurriedly, and taking her hat and coat with her, she met the
Walder girls in the lobby and accepted their invitation to eat dinner
with them. Immediately afterwards Max arrived at the hotel, and the young
couple went directly to a movie.

When it was over, the young man suggested that they go somewhere to eat
and dance.

Mary Louise shook her head.

"I'm sorry, Max--I'd like to, but I can't. This is all I can be with you
tonight. I want you to take me to the Bellevue now. I'm spending the
night there."

"What in thunder are you doing that for?" he stormed.

"Please calm down, Max!" she begged. "It's perfectly all right: Mrs.
Weinberger is going to meet me and look after me. But I'd rather you
didn't say anything about it to Mother--I can explain better when I get
home."

"Still, I don't like it," he muttered.

Nevertheless, he took her to the hotel and waited with her until Mrs.
Weinberger came downstairs.

"Don't forget to be back home for the dance a week from tonight, Mary
Lou!" he said at parting.

Mary Louise turned to Mrs. Weinberger.

"Have you seen the girls--Pauline Brooks and Mary Green?" she asked. She
had explained over the telephone why she wanted to stay at the Bellevue.

"No, I haven't," replied the older woman. "But then, I have been in my
own room."

"How late do you expect to stay up tonight, Mrs. Weinberger?"

"Till about eleven, I suppose."

"Will you bring your knitting or your magazine to my room till you're
ready to go to bed?"

"Certainly--I'll be glad to have your company, my dear."

Mr. Hayden, the hotel detective, stepped out of the elevator and came to
join them.

"There's a sitting room on the sixth floor," he said. "Suppose I go there
about midnight, Miss Gay? I'm going to have a nap now, but my assistant
is in charge, and if you need him, notify the desk, and he'll be with you
immediately. Is that O.K.?"

"Perfectly satisfactory," agreed Mary Louise.

Taking the key to her room, she and Mrs. Weinberger went up together.

Pauline's room was apparently dark, but Mary Louise left her own door
open so that Mrs. Weinberger could watch for the girls. She herself took
up a position where she could not be seen from the doorway. She turned on
the room radio, and a couple of hours passed pleasantly.

At eleven o'clock Mrs. Weinberger decided to go to her own room and go to
bed. When she had gone, Mary Louise turned off the light and the radio
and closed her door. Pulling a comfortable chair close beside the
keyhole, she sat down to wait and to listen for Pauline's and Mary's
return.

The elevators clicked more frequently as midnight approached; more and
more guests returned to their rooms. Mary Louise watched them all until
she saw Pauline Brooks and Mary Green come along the passageway. They
were in high spirits, laughing and talking noisily without any regard for
the sleepers in the hotel. Even through the thick walls, Mary Louise
could hear them as they prepared for bed.

But in half an hour all was quiet. Both girls were asleep, no doubt--and
Mary Louise believed that she had had all her trouble for nothing. She
sighed and dozed in her chair.

However, she was not used to sleeping sitting up, and every little noise
in the hall aroused her attention. She heard a man come along at two
o'clock, and another at half-past. And a little after three she
identified the muffled sound of the door of the next room opening!

Leaning forward tensely, she glued her eye to the keyhole. Two young men
emerged from the girls' room and staggered about unsteadily, as if they
were drunk. Two very small men, who somehow looked more like masqueraders
than real men, although they were correctly dressed, except for the fact
that they wore their caps instead of hats and had not taken them off in
the hotel.

In spite of their apparently intoxicated condition they walked silently
across the hall to room 614. Very cautiously one of them took a key from
his pocket, and after a moment or two, he opened the door. Both young men
entered the room, but Mary Louise saw that they did not turn on the light
as they went in.

"There's something queer about that," she thought. And then she
remembered the burglar who had entered her own room at Stoddard House and
had stolen her watch. He was very like these young men--short and slight
and wore a cap. Perhaps these were Pauline's accomplices!

Cautiously she moved her chair aside and slipped out of her room. In
another moment she had reached the sitting room where Mr. Hayden, the
detective, was dozing over a newspaper.

"Come with me!" she said briefly, leading him to room 614. "I saw two
young men enter this room a couple of minutes ago."

The detective knocked gently on the door. There was no reply. He knocked
again.

The startled voice of a man called out, "What do you want?"

"I'm the hotel detective," answered Mr. Hayden. "I'm sorry to disturb
you, but please open the door."

A light flashed on in the room, and an elderly man, now clad in his
dressing gown, admitted Mary Louise and Mr. Hayden.

"This young lady thinks she saw two young men come in here five minutes
ago," explained the latter. "Were you asleep, sir?"

"Yes," was the reply. "Your knock waked me up."

"Then, if you don't mind, we'll search the room. Have you anything
valuable here?"

"I certainly have! A wallet with five hundred dollars, and a set of
diamond shirt studs."

Mr. Hayden went straight to the closet and turned on the light. Feminine
giggles greeted his action.

"Don' be mad at us, mishter!" pleaded a girl's voice. "We jus' had a
leetle too mush likker, and we wanted to get some shirt studs for our
costumes. We're goin' to a nish party, dreshed up like men!"

Mr. Hayden smiled and pulled out the two "young men" from the closet. As
he snatched off their caps, Mary Louise recognized them instantly.
Pauline Brooks and Mary Green!

"Pauline!" she cried.

"Emmy Lou!" In her surprise, Pauline forgot to act drunk. But the next
moment she remembered.

"Pleash let us go, mishter," she pleaded, taking hold of Mr. Hayden's
coat collar. "Was only jus' a prank----"

"Prank nothing!" cried Mary Louise. "And these girls aren't intoxicated,
either, Mr. Hayden."

"No, I don't believe they are," agreed the detective. He turned to the
owner of the room. "Suppose you check up on your valuables, sir, while I
call the police."

"You're not going to send us to jail!" protested Pauline, in a perfectly
normal tone. "But we haven't stolen anything."

"You stole plenty at Stoddard House," Mary Louise couldn't help saying.

Pauline regarded her accuser with hatred in her eyes.

"So you're the one who's responsible for this!" she hissed. "Nasty little
rat! And I thought you were a friend of mine!"

Mary Louise laughed.

"I'll be a friend when you and your gang give back all the stolen
articles and money," she replied.

The elderly man who lived in the room interrupted them.

"Two studs are missing," he announced. "I found the wallet with my money
in it on the floor. Yet it was carefully put away last night."

"Take off your shoes, Pauline!" ordered Mary Louise. "That's the place to
find missing diamonds."

The girl had to obey, and the studs fell out on the floor.

"It's enough," concluded Mr. Hayden. "Here comes my assistant. You girls
will come with us till the police arrive."

"Not in these clothes!" objected Mary Green.

"Yes, just as you are." He turned to the man. "And now, good-night, sir."

"Good-night, and thank you a thousand times!" was the reply.

"Thank Miss Gay," amended Mr. Hayden. "It was her work."

Tired but satisfied, Mary Louise went back to her own room, and, removing
only her shoes and her dress, she slept soundly for the rest of the
night.




                               CHAPTER XI
                                 _Bail_


Mary Louise did not awaken until nine o'clock the following morning. A
pleasant glow of triumph suffused her; she was experiencing her first
thrill of professional success. But the occurrence of the preceding night
was only a partial victory, she reminded herself; the job was just begun.
There were more thieves to be caught, and valuables to be recovered.

She decided to ring for a breakfast tray in her room. She had often seen
this luxury pictured in the movies; now was her chance to try it out for
herself. While it was being prepared she took a shower and dressed.

Ten minutes later the tempting meal arrived. It was fun, she thought, as
she poured the coffee from the silver pot, to play being a wealthy lady,
but it would be more enjoyable if Jane were with her.... However, she had
no time now to think of Jane or of her friends in Riverside; she must
concentrate all her mental powers upon the mystery she was trying to
solve.

These were the hypotheses she meant to build her case upon:

1. Pauline Brooks and Mary Green were two members of a secret band of
hotel robbers, composed probably of women and girls.

2. Pauline's "aunt," as she called her, must be the leader, since she
went from hotel to hotel.

3. The two transient guests who had undoubtedly stolen the silverware and
the vase from Stoddard House were members of the same gang.

4. Pauline's "aunt" had a country place where she probably hid the stolen
articles until they could be disposed of.

Now, with these facts in mind, Mary Louise had several poignant questions
to answer:

1. Was this country place at Center Square, and was that woman whom Mary
Louise had seen in the dark Pauline's aunt?

2. Was Margaret Detweiler connected with this gang?

Mary Louise remembered that Mary Green had admitted that she knew
Margaret and that Pauline had instantly contradicted her.

It was still rather a muddle, she decided as she finished her breakfast
and left the room. She took the elevator to Mrs. Weinberger's floor and
hastily told her the story of the previous night's excitement; then,
scarcely waiting for the older woman's congratulations, she hurried down
to the manager's office.

"The hotel is exceedingly grateful to you for the service you have
rendered us, Miss Gay," said the man. "The least we can do is to present
you with a receipted bill for your room and breakfast."

Mary Louise gasped out her thanks: she had never dreamed of a reward.

"And what became of the girls?" she inquired.

"They are being held under five hundred dollars bail," was the reply.

"They won't have any trouble raising that, I'm afraid," said Mary Louise.
"They'll skip and go right on with their old tricks."

"Perhaps you're right, Miss Gay."

"Is Mr. Hayden here?" she asked.

"No, he has gone home," replied the manager. "But he left this memorandum
for you in case you want to visit the girls and see whether you can learn
anything more about the case you're working on."

Mary Louise put the paper with the address on it in her handbag and
hurried back to Stoddard House. She found Mrs. Hilliard in her office on
the first floor, planning her work for the day.

"I've great news for you, Mrs. Hilliard!" she cried, carefully closing
the door behind her. "I've caught two of the thieves, and you'll never
guess who they are!"

"No, I won't even try," returned the other. "I'm not much good as a
detective. But hurry up and tell me."

"Pauline Brooks and Mary Green!"

"Pauline Brooks!" repeated Mrs. Hilliard in amazement. "But tell me how
you know!"

"The detective at the Bellevue and I caught them in men's clothing,
trying to rob another guest at the hotel. Remember--I thought it was a
man who stole my watch, though he did seem awfully small? Well, it was
Pauline, and she was dressed up the same way last night!"

"You're the cleverest girl I ever met, Mary Louise! How did you ever come
to suspect those girls?"

"I'll tell you the whole story later--when I have more time, Mrs.
Hilliard. I've got to be off now, after some evidence to prove that they
were the thieves who did the stealing here. You see, they're in jail now
for what they did at the Bellevue, but I have nothing to prove they were
guilty of the robberies at Stoddard House."

"But what are you going to do?"

"I'm going to try to find the leader of their gang and find the treasure
chest. And that reminds me, I want the names of those two transients who
were here when you missed the vase and the silverware."

Mrs. Hilliard searched for them in her book, and Mary Louise copied them,
although she had little hope that they would help her. The way these
girls changed names with each change of residence made it extremely
baffling.

"Where do you expect to look for the leader of this gang?" asked the
manager.

"I'm going to drive up to Center Square again, right now. In a hired
'drive it yourself' car."

"Isn't that where you got that blow on your head?"

"Yes, but you needn't worry about me this time, Mrs. Hilliard. I'm going
to get a policeman to go with me to the empty house."

"Wise girl.... But I believe you'd be wiser still, Mary Louise, if you
just dropped the thing now and went home for Christmas. You've certainly
earned your pay, and we can feel that our troubles are over. I can give
the guests some assurance that they will not be robbed again. Won't you
go, dear? Your family will be wanting you."

"Oh no, Mrs. Hilliard--thank you just the same. But I couldn't think of
it. I want to recover the stolen goods and get more proof against those
two girls. I couldn't give up now!"

"Well, then, be very careful!"

"I'll be back in time for supper," she promised.

Mary Louise went directly to the nearest agency and hired a car. Not a
new car, but one which ran smoothly and which she found no difficulty in
operating. The day was warm for December, and sunny; the snow was gone;
it would be jolly to spend the whole day out-of-doors. Of course, it
would have been nicer if Jane or Max were with her, but Mary Louise had
so much to think about that she did not mind being alone.

Wasn't it funny, she mused, that the very first guest she had met at
Stoddard House had been the guilty person? How thankful she was that she
had not given in to that impulse to make Pauline Brooks her confidante!
Perhaps, if she had, Pauline would not have stolen her watch. Yet,
without that misfortune, Mary Louise might never have solved the mystery.

She drove along at an even speed, following her map and watching for the
landmarks she had noticed on her previous trip. About noon she arrived at
the hotel where she and Max had eaten dinner on Sunday evening, and she
drew the car to a stop at its entrance.

The same clerk was at the desk; he remembered Mary Louise and asked
immediately how her head was.

"It's almost well," she replied. "But I want to visit that house again
and find out who lives there and what hit me."

"To collect damages?"

"No, not specially. But there is something mysterious about that house,
and I'd like to see it in broad daylight. This time I want to take a
policeman with me. Have you any in Center Square?"

"We have a constable. He might be willing to go along."

"Would you be kind enough to ring him up and ask him to come here while I
eat my lunch in the dining room? After all, he has a right to help me
find out what hit me."

"Sure, I will, miss. And he'll be glad to come. He's mighty obliging.
Besides, he ain't got much to do."

Mary Louise was hungry, and she enjoyed her lunch immensely. The food
wasn't dainty like the Stoddard House, or fancy, like the Bellevue, but
it was wholesome and well cooked, and the keen air had given her a good
appetite.

When she had finished eating and returned to the main room of the little
country hotel, she found the officer waiting for her. He was a stout,
middle-aged man with a pleasant smile, and he wore a baggy gray suit with
a stringy tie. He was very much interested in the story of Mary Louise's
previous visit to Center Square, and of her reason for wanting to see the
ugly woman again who was occupying the house.

"Of course, what I'm hoping for," concluded Mary Louise, "is to catch her
with the stolen goods and have her arrested. But she may not be the
person I'm looking for at all, because I saw her in the dark with only a
lighted candle behind her."

"What is her name?"

"Mrs. Brooks is the only name I know her by. But I've learned that
criminals have half a dozen names, so you can't go by that. There isn't
anybody by that name around here, is there?"

The man shook his head.

"No, there ain't. But let's drive to the house you mean, and I can tell
you who owns it. And maybe tell you something about the people that live
there."

"I don't believe anybody really lives there," replied Mary Louise. "It's
all boarded up."

They got into Mary Louise's hired car, and she turned off the main
highway into the dirt road which she and Max had explored. Here it was
difficult for Mary Louise to find her way, because on the former occasion
it had been dark, and snow had covered most of the ground. She drove
along slowly, past the empty house they had first visited, until she came
to the hill and the place with the steep driveway. She remembered the
house now; there was the tree under which Max had parked, and the barn
beyond. A huge sign bearing the words "No Trespassing--Private Property"
had been erected since her former visit.

"This place belongs to a Mrs. Ferguson of Baltimore," announced the
constable. "She's a widow with two daughters. They never live here, but
once in a while she brings a bunch of girls here for a house party. She's
wealthy--always comes in a car and brings a couple of servants."

"Ferguson," repeated Mary Louise, wondering where she had heard that name
before. But she had heard so many new names in the past few days that she
could not place it. "Could you describe her?" she inquired.

"Can't say as I could. Never saw her close. She dresses stylish, I know
that, and has nothin' to do with the country folks around here."

Mary Louise brought the car to a stop and parked it some distance from
the house, cautiously avoiding the trees this time. Even though she had a
constable with her, she wasn't taking any chances of being hit again.

"That's the tree we were parked under," she pointed out, "where I got hit
in the head."

"Did you see anybody?"

"No. But my friend said afterward he heard somebody laugh. But he
couldn't wait to investigate, because he had to get me to a doctor."

"Maybe it was just a bad boy. We have some young bums around here once in
a while."

Mary Louise got out of the car, and the constable followed her, making a
tour of the outside of the house, examining the boarded windows, trying
the locked doors. Apparently it was deserted.

"I'd love to get inside," remarked Mary Louise. "Couldn't we break in?"

"Not without a warrant," replied the officer. "We ain't got any real
evidence against this lady. You can't tell what hit you, and besides, you
was trespassin' on private property."

Mary Louise sighed. Evidently there was nothing she could do here. She
might as well go back to Philadelphia.

It had been rather a useless waste of time, she thought, as she drove
along towards the hotel. She had learned only one fact--the name of the
owner of that empty house. "Ferguson," she kept repeating to herself,
wondering where she had heard that name before. And then it came to
her--in a flash. Ferguson was the name of the woman who had helped
Margaret Detweiler at the department store!

Mary Louise laughed out loud.

"So I'm on the track of the wrong mystery," she thought. "Oh, well, if I
could find Margaret Detweiler I'd be happier than if I got back all that
money stolen from Stoddard House. So my day really hasn't been wasted."

When she arrived at her hotel she literally smelled Christmas in the air.
The windows were hung with wreaths; holly and mistletoe and evergreen
decorated the rooms on the first floor. Everybody seemed to be hurrying
around with a pleasant holiday air of excitement, carrying packages and
making last-minute plans for the great day.

A sudden swift feeling of homesickness took possession of Mary Louise, a
violent desire to be back in her own home in Riverside, sharing the happy
holiday confusion. For a moment she felt that she would have to go back
at any sacrifice. But ambition overcame sentiment. She would not be a
quitter, and leave at the most important time. She would see the thing
through as she had planned.

But there was nothing to prevent her wiring to her father to come and
spend part of the holiday with her. Especially now that she had something
definite to report to him. So she composed a telegram and sent it at
once, over the telephone.

"Have caught thieves," she said, "but cannot recover stolen goods. Leader
of band at large. Please come help me. Love--M.L."

As soon as the message was sent, she felt better and was as jolly as
anyone else at supper. She was helping the Walder girls tie up packages
and humming Christmas carols when a call came for her on the telephone.

"Maybe it's Dad," she said to Mrs. Hilliard as she came into the
manager's office.

But it wasn't. It was Mr. Hayden, calling from the Bellevue.

"Pauline Brooks has wired to a Mrs. Ferguson, Hotel Phillips, Baltimore,
Maryland," he announced, "asking for five hundred dollars. All she says
in her telegram is: 'Please send $500 bail,' and signed it 'P.B.' But I
thought it might help you to know to whom she wired, Miss Gay."

"I should say it does!" exclaimed Mary Louise rapturously. "Thank you so
much, Mr. Hayden!"

She was so happy that she executed a dance. Oh, how wonderful that piece
of news was! Mrs. Ferguson! The woman who had helped--or pretended to
help--Margaret Detweiler! The woman who lived at Center Square!
Possibly--the same woman whom Pauline had called her aunt, by the name of
Mrs. Brooks!

Everything seemed to be coming untangled all at once. If only Mary Louise
could catch this Ferguson woman! But of course she could--with her
father's help. Thank heaven he would be coming soon! He could fly
straight to Baltimore and accomplish her arrest. And the mystery--perhaps
both mysteries--would be solved!

So Mary Louise went happily to sleep that night, little dreaming that the
worst part of her experience lay ahead of her.




                              CHAPTER XII
                        _Detective Gay Arrives_


Mary Louise awakened the following morning with a delightful sense of
expectancy. It was the day before Christmas! Surely her father would
come; he would know how much she wanted him, and her mother would be
unselfish enough to urge him to go. He would bring Mary Louise her
Christmas presents and take her out to Christmas dinner.

She dressed quickly and hurried down to the lobby to ask the secretary
whether there was any message for her. None had arrived as yet, but by
the time she had finished her breakfast it came.

"Arrive about noon to stay over Christmas with you. Love--Dad," were the
precious words she read.

Her eyes sparkling with anticipation, Mary Louise ran to Mrs. Hilliard
with her good news.

"So you see I don't need to go home," she said. "I can hardly wait till
he comes!"

"I'm so glad, dear," replied the manager. "You've been an awfully good
sport about being away from your family--and now you're getting your
reward."

"I think I'll put in my time till he arrives by going over to visit my
friend Pauline Brooks," said Mary Louise. "I'd like to find out whether
she obtained her bail yet."

"You better be careful," warned Mrs. Hilliard. "That girl probably hates
you now, and if she's free there's no telling what she might do to you!"

"I know she hates me. But she can't do a thing. Especially with guards
all around.... And I'll be back before Dad comes. I want to be on the
spot to greet him."

She put on her hat and coat and went to the address which Mr. Hayden had
written down for her on the paper. She encountered no difficulty in
finding her way to the matron who had charge of the women prisoners.

"I am Mary Louise Gay," she said. "A private detective in the employ of
the manager of Stoddard House. I believe that two of your
prisoners--Pauline Brooks and Mary Green--are guilty of some robberies
there, as well as at the Bellevue, where they were caught. But I haven't
evidence enough to prove my case. I thought if I might talk to these
girls----"

The matron interrupted her. "You can't do that, Miss Gay," she said,
"because they have already been released on bail, until their case comes
up next month."

"How did they get the money--it was five hundred dollars, wasn't it?--so
soon?"

"They wired yesterday to a Mrs. Ferguson in Baltimore. Miss Brooks
received a registered letter this morning, and the girls left half an
hour ago."

Mary Louise sighed; it seemed as if she were always too late. Why hadn't
she come here before breakfast, since she knew from Mr. Hayden last night
that the girls had telegraphed a request for the money?

"Where did they go?" was her next question.

"I don't know. They are to report back here on the morning of January
second--or forfeit their bail."

"They won't be back," announced Mary Louise. "Five hundred dollars is
nothing to them."

The matron turned to read a letter; she had no more time to discuss the
subject with the young detective. But Mary Louise lingered.

"I just want to ask one more question," she said; "and then I won't take
any more of your time. Was there a letter from this Mrs. Ferguson, or did
she merely send the money?"

"There was a letter. I had it copied, because Mr. Hayden told me to keep
copies of any correspondence these girls had while they were here....
Wait a minute--yes, here it is. You may read it for yourself."

Mary Louise took the copy eagerly and read it as quickly as she could.
The writing was poor but entirely legible, and the words were spelled
right. But the subject matter was so rambling that in certain places she
was not sure that she read it correctly. This was the letter which she
finally deciphered:

  _Dear Girls:_

  _You poor girls! Meet your misfortune with this $500. U.S. justice is
  terrible! In what other country would they detain innocent girls?_

  _Baltimore is where I am now, but I am leaving immediately for a trip
  to Florida. Margaret can't go with me on account of school. Will you
  write to her? Get her address from the phone book._

  _Treasure Island is playing at the movies, and we liked it a lot. From
  my observation it is like the book. C.S. enjoyed it thoroughly. And so
  did I. Bring me back the book if you go home for Christmas. It was mine
  anyhow._

  _Tonight I am packing. Baltimore is tiresome, and I'll be glad to
  leave._

                                                                 _Love,_
                                                           _Aunt Ethel._

"May I make another copy of this letter?" Mary Louise asked the matron.
Since it was rather peculiar, it would bear studying. Besides, it
mentioned Margaret, and that might mean Margaret Detweiler.

The matron agreed.

"Yes, sit down at that desk. Or do you want a typewriter?"

"Well, if you can lend me one," answered Mary Louise. She had learned
typing at school, thinking it would come in handy in her chosen
profession.

So she typed the letter carefully and put it into her handbag.

As she stepped out into the open air again she saw by one of the big
clocks on the street that it was only a little past ten. Two hours to
wait until she saw her father! Two hours, with nothing to do. It seemed
rather ridiculous that she should be so idle when everybody else was
apparently so busy. The throngs of people on the streets rushed along as
if there were not a minute to lose.

"I can go in here and buy some handkerchiefs for Mrs. Hilliard for
Christmas," she thought, as she entered a department store. All the rest
of her gifts had been bought and wrapped up long ago; they were piled
neatly in a box at home, ready for her mother to distribute to her family
and her friends on Christmas morning.

The organ in the store was playing Christmas music; Mary Louise lingered
for a while after she made her purchase to listen to it. She felt very
happy because her father was coming.

She returned to the hotel about eleven, put Mrs. Hilliard's gift on her
desk and went down to one of the reception rooms to wait for her father.
The Walder girls came in--they both had a half holiday so that they might
start home early--and they said good-bye to Mary Louise and wished her a
merry Christmas.

The slow hands of the clock crept towards twelve. At five minutes of the
hour her father came.

Mary Louise saw him the minute he opened the door and rushed to him as if
it had been years, and not days, since their parting.

"Oh, Dad, this is grand!" she cried. "I was so afraid you wouldn't be
able to get here. Are you very busy?"

"No, dear," he replied as he kissed her. "There's a sort of lull in my
work now, and I had expected to be home for several days. But now I am at
your service. Your aunt arrived yesterday to be with your mother over the
holidays, so they probably won't miss me much. I want you to tell me
everything that has happened so far. Max said your watch was stolen, and
you were hit on the head by a stone. How is your head now?"

"It's all right, Daddy. And I bought a cheap watch, so I can get along
without my good one, though of course I was especially fond of it. But
come into the dining room and let's have lunch while we talk. At least,
if you don't mind being the only man with a lot of women. Max objected to
that."

"No, I don't mind," he said. "And I am hungry."

When they were seated at one of the small tables and had given their
orders, Mary Louise began to tell her story.

"I was robbed that very first night," she said. "Of course, it was pretty
dark in my room, but not terribly so, for the street lights show up quite
well. Anyhow, I could see well enough to distinguish a small man, with a
cap and a black mask.

"Well, we had a watchman on guard that night, and the police got here in
no time, but nobody saw the burglar get away. I insisted he was hiding in
the hotel, but Mrs. Hilliard had it searched thoroughly, and we couldn't
find a man in the place. I didn't dream then that it was a girl
masquerading as a man. But that is the explanation: a girl named Pauline
Brooks, who lived right across the hall from me. Of course, it was the
easiest thing in the world for her to slip back into her own room and
take off her disguise."

"Did you search for the burglar in her room too?"

"Yes, we went there the very first thing. Pauline made us wait a minute
or two--she said she had just gotten in from a dance and was half
undressed."

"And you believed her?"

"Yes, indeed. We had become quite good friends at supper that night."

Mr. Gay laughed. "But what finally led you to suspect her?"

Mary Louise went on to tell her father in detail about her false
suspicions concerning first Miss Stoddard and then Miss Weinberger, and
described her visit to the Bellevue and the catching of Pauline Brooks
and Mary Green in the very act of stealing.

"But that wasn't evidence enough to prove them guilty of the robberies at
Stoddard House," objected her father.

"I know," admitted Mary Louise. "But I figured out that there is a whole
band of these secret hotel thieves, for I'm pretty sure two other members
stole some silverware and a vase from Stoddard House a while ago. I
believe, too, that a woman whom Pauline called her aunt is the leader....
And that's what I want you to do, Dad. Go after her!"

"But where is she?" he demanded.

"I think she's in Baltimore now, at the Hotel Phillips, because that's
where the girls got their money for bail. Five hundred dollars. She's
planning to go to Florida, so you have to hurry."

"What could I do with her if I did find her?" inquired Mr. Gay.

"Couldn't you arrest her?"

"Not unless I had some evidence against her."

Mary Louise sighed: it was dreadful, she thought, to know that somebody
was guilty and not be able to prove it. But she could see that her father
was right.

Mr. Gay was enjoying his lunch. He praised the food and the service to
Mary Louise and exclaimed in surprise that the hotel was not well filled.

"It's partly because of these robberies," explained Mary Louise. "Several
people have moved out just since I came. No wonder Mrs. Hilliard is
worried."

"But she feels encouraged since you found two of the thieves, doesn't
she?"

"Oh, yes, she's tremendously pleased. She told me I had earned my money,
and I could go home. But of course I'm not satisfied. The job's only half
done."

The waitress approached the table, and offered a menu.

"I'll take plum pudding," announced Mr. Gay, "in celebration of the
season. How about you, Mary Lou?"

"Chocolate sundae," was her inevitable choice.

"Where," inquired Mr. Gay, turning to his daughter, "did this aunt of
Pauline's live when she was in Philadelphia?"

"She stayed at the Ritz."

"Never at Stoddard House?"

"Oh no."

"Then we'll make a visit to the Ritz after lunch. And I think I will take
the two o'clock train to Baltimore to see what I can find out about the
woman. What does she call herself?"

"Mrs. Ferguson--and sometimes Mrs. Brooks. Possibly there are two
different women, but I don't believe so.... But what will you do at the
Ritz, Daddy?"

"Just make inquiries as to whether anything was stolen while the woman
stayed there, and if so, what. That would give me a reason for going
after her in Baltimore."

"That's a great idea, Dad!" exclaimed Mary Louise joyfully. "May I go to
the hotel with you?"

"Of course. Now, you run along and get your hat and coat and tell Mrs.
Hilliard where you are going, while I order a taxi."

It was not until they were in the cab that Mr. Gay remembered to ask how
Mary Louise had received the cut on her head. Max had not told him much,
he explained, because he wanted to keep it secret from Mary Louise's
mother, to save her unnecessary worry.

"It was part of my investigation about Margaret Detweiler," replied the
girl, and she hurriedly told her father the reason for her visit to
Center Square and its consequences. "But I feel that in some way the two
cases are tied up together," she added, "for the woman who owns the place
is named Mrs. Ferguson, and a face which I saw at the window reminded me
of the woman Pauline called her aunt. But it's all very confusing."

The taxi pulled up at the Ritz, and Mr. Gay and his daughter got out.
With his badge, the former had no difficulty in interviewing the hotel
detective immediately. He asked whether any money or valuables had been
lost at the Ritz during the past week.

"Yes," replied the other, "some money and a valuable bag containing two
pearl rings were stolen last Friday. But we suspected a chap who called
himself a traveling salesman, and we're on his track."

"Was a Mrs. Brooks staying here at the time?"

"Yes. I remember her well. With two nieces."

"Please describe her," urged Mary Louise.

"She is tall and stout--weighs around a hundred and eighty, I should
judge. About fifty years old, with black hair done very severely--looks
like a wig. Dresses well and wears jewelry. Has false teeth and an ugly
mouth, but seems a great favorite with young people.... That's about
all."

"That's enough," said Mr. Gay. "Now, can you tell me just what was
stolen?"

The detective wrote down the articles on a slip of paper. "A bag
containing two pearl rings, and two hundred dollars." The bag was
valuable in itself, being made of gold mesh, he told them.

"Thank you very much," said Mr. Gay as he pocketed the list. "I'll let
you know if I have any success."

The taxi was waiting outside the hotel, and Mary Louise jumped into it
first.

"I'll ride to the station with you, Daddy," she said. "Do you think
you'll be back tonight?"

"Maybe," he answered. "But we'll have a fine Christmas together
tomorrow."

He was just in time to catch his train. Mary Louise watched it pull out
of the station and wondered what in the world she would do to pass the
afternoon. Slowly she walked out to the street and looked at the
Christmas displays in the shop windows.

She had gone about two blocks when she stopped to examine a particularly
attractive display, featuring a small, real Christmas tree, when she
noticed that the shop into whose window she was gazing was a tea room. A
cup of hot chocolate ought to taste good, she decided--rich and hot, with
whipped cream on the top! So she opened the door and went inside.

Little did she realize at that moment how thankful she was to be later on
for that one cup of chocolate and the plate of little cakes that she
ordered!




                              CHAPTER XIII
                        _A Prisoner in the Dark_


While Mary Louise waited for her chocolate to be served, she took the
copy of the letter from her handbag and read it again. The woman said she
was going to Florida. Oh, suppose her father should be too late to catch
her!

"But if Mrs. Ferguson really is a crook, why should she write all her
plans to a prisoner, when she would know that the letter would be
censored?" Mary Louise asked herself.

Her eyes narrowed. The woman had written the letter on purpose to deceive
them! She probably had no intention of going to Florida! Perhaps it was a
code letter.

Mary Louise recalled the Lindbergh case, in which the kidnaper had
written a letter to a prisoner in which the second word of every sentence
was a key, thus forming a message. She decided to try to discover
something like that for herself. She read the letter again:

  _Dear Girls:_

  _You poor girls! Meet your misfortune with this $500. U.S. justice is
  terrible! In what other country would they detain innocent girls?_

  _Baltimore is where I am now, but I am leaving immediately for a trip
  to Florida. Margaret can't go with me on account of school. Will you
  write to her? Get her address from the phone book._

  _Treasure Island is playing at the movies, and we liked it a lot. From
  my observation it is like the book. C. S. enjoyed it thoroughly. And so
  did I. Bring me back the book if you go home for Christmas. It was mine
  anyhow._

  _Tonight I am packing. Baltimore is tiresome, and I'll be glad to
  leave._

                                                                 _Love,_
                                                           _Aunt Ethel._

On a page of her notebook Mary Louise wrote down each second word and
read the result to herself:

"Poor--your--courts--what--is--can't--her--island----"

"Shucks! That doesn't mean a thing!" she muttered in disgust. "I guess I
was crazy. But just the same, it does seem like a dumb sort of letter if
it hasn't some underlying meaning."

The waitress brought her chocolate in a lovely little blue pot, and the
whipped cream in a bowl. On a plate of the same set, dainty pink and
white cakes were piled.

"It's a good thing I'm not dieting," thought Mary Louise, as she poured
out a steaming cup of chocolate. "This certainly looks delicious!"

She wondered idly, as she finished her refreshments, whether she should
go to a picture show, just to put in her time. She wasn't exactly in the
mood for that kind of entertainment; her own life was too exciting at the
present moment to allow her to feel the need for fiction. So, while she
waited for her bill, she glanced again at the letter in her handbag.

"I might try the first word of each sentence," she thought. "To see
whether I could form a message that way. Though I should think that would
be too obvious.... Still, I'll see what happens."

She jotted down the opening word of each sentence on another page of her
notebook.

"You--meet--us--in--Baltimore--Margaret--will--get--treasure--from--
C.S.--and--bring--it--to--Baltimore."

It was all Mary Louise could do to keep from crying out in her joy. Of
course that was the answer! Pauline and Mary were to go to Baltimore. The
treasure, the stolen goods, must be in that house at C.S.--Center Square.
And "Margaret" would go there to get it!

Mary Louise no longer had any difficulty in deciding what to do with her
afternoon. She'd drive to Center Square as fast as she could--in order to
beat "Margaret" there. Oh, how she hoped that the "Margaret" referred to
was Margaret Detweiler!

Her hands actually trembled as she paid the bill, she was in such haste
to be off. She hadn't time to go back to the hotel and inform Mrs.
Hilliard of her plan. Later on she was to wish desperately that she had
taken that precaution.

Instead, she hurried to the agency and hired the same car she had driven
the previous day. Then she set off on the road which was by this time
becoming familiar.

It was after five o'clock when Mary Louise reached Center Square. The
twilight was deepening; already the short winter day was almost at a
close.

"I'll need a flashlight," she decided and she stopped in at a country
store to buy one.

When she came out of the store she drove directly to the abandoned house.
This time she did not want to take the constable with her, for he would
forbid her breaking into the place. Yet that was exactly what Mary Louise
meant to do, if she could not be admitted by knocking at the door!

She turned into the driveway, past the "No Trespassing" sign, mounted the
steep incline, and parked her car in an inconspicuous spot behind the
house and at the side of the barn.

"Here's hoping I don't get hit with a rock!" she thought recklessly, as
she jumped out of the car. The darkness was becoming deeper; the silence
was broken only by the moaning of the tree branches in the wind. The
place seemed completely deserted.

With her heart beating fast, Mary Louise ran to the back door of the
house and tried it. As she had anticipated, it was securely locked. A
moment later she encountered the same condition at the front door. At
both entrances she knocked loudly; at neither was there any response.

"Just the same, I'm going to get in!" she muttered resolutely. "If I have
to climb over the porch to a second-story window!"

She walked around the house again, more slowly this time, examining each
window as she passed it. Everywhere she found boards nailed over the
glass. On only one window at the side did she discover a partial opening.
It was the window through which she had seen the face of the young girl
with the ugly woman beside her.

Mary Louise's heart leaped up in joy. She could break through that glass
and get in!

The window which she was examining was at least three feet from the
ground, and two boards were nailed across the lower sash. But by standing
on a log which she dragged to the spot she was able to reach the upper
sash. With the aid of a stone she smashed the glass into bits.

It would have been easier to climb through the opening without her fur
coat, but Mary Louise felt sure that she would need its protection in the
damp, cold house. How thankful she was later on that she had not yielded
to her first impulse!

She accomplished the feat successfully, however, without even tearing her
clothing or breaking her flashlight, and stood on the floor of a room
which she soon identified as the dining room.

It was horribly cold and damp inside the house, but Mary Louise scarcely
noticed it at first. A thrill of excitement sent a pleasant glow through
her body. She was going to search for the treasure!

Keeping her flashlight turned on, she gave a quick glance about the room.
A table, half a dozen chairs, a sideboard of beautiful mahogany, and a
china-closet filled with lovely dishes comprised its furnishings.

"A good place to begin my search!" she decided, going straight to the
attractive sideboard and opening the drawer nearest the top. A luncheon
set of exquisite design greeted her eyes.

"Rather grand for a country place," she silently commented. "Let's see
what else we can find!"

A second drawer was entirely empty, but a third contained a full set of
silverware. Seizing a spoon in one hand, Mary Louise turned the
flashlight on it with the other. A wild cry of joy escaped her lips; the
spoon was decorated with an ivy-leaf pattern! Yes, and there were the
initials, too--S.H. (for Stoddard House, Mrs. Hilliard had
said)--engraved on the stem!

"So I know that I'm in the right place!" she couldn't help exclaiming
aloud in her triumph.

The sound of her own voice in the silent, dark house was strange; Mary
Louise found herself trembling. But only for a moment: courage and common
sense came to her rescue. Hastily she gathered all the silver together
and put it in a pile on the dining-room table.

"I may have to go out through the window again," she figured, "so I'll
leave my stuff here. But first I'll try the doors from the inside."

There, however, she met disappointment. There were no dead latches on the
doors; they were both locked securely, and the keys had been removed.

Now that she had familiarized herself with the plan of the house, she
decided to make a systematic search, beginning with the upstairs and
working her way down. Cautiously she ascended the wide stairway in the
hall to the second floor.

There were four bedrooms, she saw by the aid of her flashlight, and a
bathroom. A narrow staircase led to an attic above.

"I might as well begin with the attic," she thought, "and do the thing
thoroughly. That would be a natural place to hide things--especially if
there's a closet."

There was a huge closet, she soon discovered, besides two trunks, and all
sorts of odds and ends of furniture piled about the room. Naturally, Mary
Louise began her search with the trunks: to her delight she found them
unlocked.

"If I only have the same luck that I had in the dining room!" she wished
as she began to examine the trays.

Things had apparently been stuffed in hit-or-miss fashion: ribbons,
scarves, odd bits of costumes were all entangled together. Off in a
corner of the tray she found a heavy box which looked especially
inviting. Opening it excitedly she let out a wild whoop of joy. There was
jewelry inside!

But when she examined the articles one by one she experienced only
disappointment. There was nothing valuable in the whole collection; it
was merely "five-and-ten-store" stuff, which nobody would wear except to
a costume party.

"I might have expected that," she mused as she put the box back into the
tray. "If this trunk had had anything valuable in it, it would have been
locked."

Nevertheless, she resolved to make her search thorough and went through
both trunks, without any success. Then she directed her attention to the
closet.

This occupied a large space--almost as big as a small room--so that Mary
Louise found that she could easily enter it herself. It was horribly
chilly and damp; she shivered, and drew her coat more tightly around her
as she continued her task.

She was peering into a hat box when she suddenly heard a pounding on a
wall. She stopped what she was doing and listened intently. Where was the
noise coming from? Had someone come in? Was "Margaret" here, or had the
police come to arrest Mary Louise for housebreaking? Her hands shook and
she turned off her flashlight, waiting tensely in the darkness, while the
pounding continued. But she did not hear any footsteps.

The noise finally ceased, and, reassured at last, Mary Louise turned on
her flashlight and resumed her search. But the attic revealed nothing of
any importance, not even any loose boards in the walls or floor
underneath which the treasure might have been stored.

With a sigh of disappointment, Mary Louise descended the attic steps.

Entering the bedrooms one after the other and searching them carefully,
she encountered no better results. The bureaus were practically empty;
the beds contained only a blanket spread over each mattress, and though
Mary Louise felt around them with her hands for hard objects which might
be concealed, she found nothing.

Looking at her watch, she saw to her surprise that it was almost eight
o'clock. Supper hour was long past; because of her excitement, and on
account of her refreshments in the Philadelphia tea shop, she had not
felt hungry. But she was thirsty and was delighted to find running water
in the bathroom.

"I'm glad I don't have to climb out of that window to get a drink at the
pump!" she congratulated herself. And while she was there she
methodically searched the bathroom, again without any success.

"Why, here's an electric light button!" she exclaimed in surprise. "These
people must be rich--they have all the modern improvements. And I've been
using up my battery!"

But the light did not turn on; no doubt the current was cut off while the
people were away, and Mary Louise had to resort to her flashlight again.

"Because I started in the attic, the treasure will probably be in the
cellar," she concluded. "I hope my battery doesn't give out before I get
to it."

Nevertheless, she meant to proceed with the downstairs first, just as she
had planned. She would rather be there if "Margaret" arrived. Oh, how she
wished the girl would come! Especially if she proved to be Margaret
Detweiler.

The kitchen consumed a great deal of time, for she had to look in every
possible can and dish in the various closets. As she examined everything,
she was conscious of increasing hunger; she sincerely hoped that she
would find something she could eat. But her search revealed nothing
except some dry groceries: tea, sugar, salt, and spices. Moreover, the
stove was an electric one, useless without current. She could not even
heat water to make herself a cup of tea!

She was debating whether she should crawl out of the window and go to a
store for something to eat, or whether she should wait until she had
completed her task. It was just nine o'clock now; if she left the house
she might miss seeing Margaret and lose all chance of finding either the
girl or the treasure. But as she passed through the dining room from the
kitchen she saw immediately that her decision had been made for her. The
window through which she had crawled into the house had been boarded up
tightly! She was a helpless prisoner in this dark, lonely house!

So that was the explanation of the pounding which she had heard from the
attic closet! Oh, why hadn't she rushed down to see who was doing it? Now
what in the world could she do? If Margaret didn't come, she would have
to spend the night here--alone! And tomorrow was Christmas!

But suppose nobody came tomorrow--or the next day--or the next week!
Starvation, death from pneumonia, loneliness that would drive her
insane--all these grim horrors stared Mary Louise in the face.

Shivering with cold, she stood motionless in the dining room and tried to
think of some way out. It would be impossible for her to break down those
heavy wooden doors, and she knew nothing about picking locks. There
wasn't an unboarded window on the whole first floor, and even the windows
over the porch on the second floor were tightly nailed shut. Oh, what on
earth could she do?

"If only Max and Norman would come along now and give that familiar
signal!" she wished. But no sound disturbed the silence of the night;
even the wind had died, leaving a stillness like death all about her. She
felt buried alive in a doorless tomb.

"Nobody knows I'm here," she moaned. "Not even Mrs. Hilliard.

"I'll have to think of something," she decided, with a supreme effort to
keep herself in control. "In the meanwhile, I might as well finish my
search."

But even that satisfaction was denied to Mary Louise. In the doorway
between the dining room and the living room her flashlight went out. At
the most critical moment, when her courage was at the lowest ebb, the
battery had died!

A groan of agonized dismay escaped from her lips. In utter despair she
groped for a chair and sank down in it, miserable and defeated.

The impenetrable blackness of the room was overpowering, for she was used
to the lights of the streets in Philadelphia and in Riverside. A strange,
physical fear took possession of her, paralyzing her limbs; for several
minutes she sat still in the darkness, not even attempting to move.

A shiver ran through her; she was becoming colder and colder in this
damp, icy house. Her need for warmth stirred her to action. She rose
cautiously to her feet and groped her way to the hall, where she
remembered the stairway to be located, and without encountering any
serious knocks, she slowly ascended to one of the bedrooms.

Here the inky blackness still confronted her, but it was not so deep as
that of the first floor, for there was an unboarded window in the room.
Gradually, as she made her way towards it, Mary Louise could perceive its
outline. Most of the window was covered by the tree branches, but here
and there through the limbs she could distinguish patches of sky.
Yes--far off, and dim, but real, nevertheless--was one shining star!

"The Christmas star," she murmured. "Or at least--my Christmas star. For
it's the only one I'll see tonight."

There was something immensely comforting in its presence. The star
reassured her, it reminded her that God was still in His heaven, and she
was not forsaken. Tomorrow, Christmas morning, rescue would surely come!

So, after collecting all the blankets in the house on one bed, she took
off her coat and her hat and her shoes and lay down, drawing the squirrel
coat over her on top of the blankets. Cold and hunger and her dark prison
were forgotten in a blissful maze of unconsciousness. Mary Louise slept
until the sun of the strangest Christmas of her experience awakened her.




                              CHAPTER XIV
                           _The Secret Band_


Mr. Gay settled back in his seat in the train with a sense of comfort. He
liked traveling; no matter how hard he was working or how difficult the
case he was trying to solve, he could always rest on a journey.

"I might have brought Mary Lou with me," he thought. "She would have
liked the experience." But perhaps, he decided, she had wanted to remain
on the spot at Stoddard House in case anything new developed. Little did
he think as he was speeding along towards Baltimore that his daughter was
driving as fast as she could in the opposite direction. Into a new danger
which he had not dreamed of!

Mary Louise, in her systematic way, had given her father a list of all
the valuables to be recovered. Now, at his leisure, he took the paper
from his pocket and went over it carefully.

  "Set of silverware, ivy-leaf pattern, initials S.H.
  Chinese vase.
  5 watches, including one set with diamonds and my own.
  $550 in cash.
  Painting by Whistler.
  Pair of diamond earrings."

Mr. Gay let out a low whistle. What a list that was! No wonder Mrs.
Hilliard was worried!

He took from his pocket the other slip of paper, which the detective at
the Ritz had just given to him.

  "Gold-mesh handbag containing $200.
  2 pearl rings...."

"If this woman, this Mrs. Ferguson, is responsible for all this, she
certainly ought to be kept behind prison bars for the rest of her life,"
he thought. "But we'll see--we'll see...."

His train passed through a small town, and from his window Mr. Gay could
see the Christmas decorations in the houses. How he wished that he and
Mary Louise could both be at home, taking part in the happy celebrations!
Trimming the tree, filling the stockings, eating the turkey dinner
together! But there would be more Christmases, he reminded himself, and
the whole family would be together on New Year's Day.

It was dusk when he arrived in Baltimore and he took a taxi straight to
the Hotel Phillips. He engaged a room for he meant to take a shower and
have his dinner there, even if he did not remain all night.

A few minutes later he was interviewing the hotel detective in his
private office.

"Is there a Mrs. Ferguson staying here?" he asked, after he had shown his
badge.

"Yes, there is," replied the other man. "She came two days ago with two
daughters and four other girls as guests. They have a suite of rooms on
the ninth floor and are planning to stay over Christmas."

"Has anything been stolen since their arrival?" questioned Mr. Gay.

The other detective's eyes opened wide in surprise.

"Yes. A roll of bills, two hundred dollars, I believe it amounted to, and
a valuable stamp collection. Last night. But surely----"

"I have reasons to suspect Mrs. Ferguson and her accomplices," stated Mr.
Gay. "Other hotel robberies lead us to believe she is the leader of a
band of hotel thieves."

"But we are on the track of another suspect. A man we found wandering
into the wrong room last night and excusing himself by the old gag of
saying he was drunk."

"Maybe he was drunk!"

"Possibly. We couldn't get any sense out of him. But I believe that he
was just a darned good actor. Another fellow got away--an accomplice, I
think, who is known to be a stamp collector. We're on his trail."

"I'd like to search the Ferguson woman's rooms," announced Mr. Gay. "Can
I have your help?"

The man hesitated. He hated to antagonize wealthy guests who were
bringing so much money into the hotel; yet when he recalled the
expression of Mrs. Ferguson's eyes he remembered that he had distrusted
her. So he reluctantly consented to the other detective's request.

Taking one of his assistants with him, the hotel detective led Mr. Gay to
the ninth floor and knocked at Mrs. Ferguson's door. From within sounds
of laughter and gay music could be heard. As the door opened, the three
men saw the girls playing cards in the sitting room of the luxurious
suite. A radio was grinding out jazz.

With a shrewd glance at the girls, Mr. Gay realized immediately that they
were not the same type as his daughter's friends at Riverside. They were
older, too, although they were painted and lipsticked to appear young.

"Mrs. Ferguson," began the hotel detective, "I must apologize for
interrupting your card game, but I have to go through with a routine.
Last night some valuables were stolen from one of our guests, and I have
promised him to make a thorough search of each room. You understand, of
course, that no slight is meant to you or to your guests. The girls can
go on with their game, if you will just permit us to look around."

Mrs. Ferguson, who was, Mr. Gay thought, one of the ugliest women he had
ever seen, drew herself up proudly.

"I very much resent it," she replied haughtily. "In fact I forbid it!"

"You can't do that," answered the detective coolly. "For even if you
decide to leave the hotel, your things will be searched before you go.
But please don't be unreasonable, Mrs. Ferguson! Suppose that you, for
instance, had been robbed of that beautiful diamond ring you are wearing.
Wouldn't you want us to do everything in our power to get it back for
you?"

"I wouldn't want guests--especially women and girls--subjected to such
insults as you were offering me and my young friends and relatives!
Besides, I thought you were already pretty sure of your thief."

"We're not sure of anything. Will you submit peacefully, Mrs. Ferguson,
or must we call in the police?"

The woman looked sullen and did not answer; the detective stepped across
the room and locked the door. Mrs. Ferguson turned her back and wandered
indifferently towards the bare Christmas tree in the corner. It was
standing upright in a box of green, but it had not been trimmed. A pile
of boxes beside it indicated the ornaments with which it would probably
soon be decorated.

Mr. Gay, always the keenest observer, sensed that fact that Mrs. Ferguson
had some special interest in those boxes, and his first shrewd surmise
was that valuables were somehow concealed within them. Therefore, he kept
his eye glued on that corner of the room.

"I guess you'll have to stop your games, girls," said Mrs. Ferguson,
"since these men mean to be objectionable. Of course, we'll move to
another hotel immediately, so you can all go and get your things
packed.... Pauline, you take care of these balls for the tree. Men like
this wouldn't care whether they were smashed or not! They have no
Christmas spirit."

"Some ho

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