Secret Mark (Version 2)
Author: first_name:  Roy J.
last_name: Snell
Language: English
Year: 1923

Book 3 in Adventure Stories for Girls. <br>
When one sees a theft committed, it is instinctive for one to immediately alert the authorities and put a stop to it, but is it always the best thing to do? Lucile is faced with such a dilemma when she realizes a little girl is stealing valuable books from the University Library where Lucile works. Her delay in making the report led her, and her roommate Florence, on a wild search that takes her form Chicago to New York, and back through thieves and f