Transcriber's Notes:
1. Page scan source: The Internet Web Archive
https://books.google.com/books?id=MUtBAQAAMAAJ
(the New York Public Library)

"Look out for a shot," warned
The Thinking Machine sharply. p. 332

THE PROBLEM OF CELL 13

By

JACQUES FUTRELLE

Author of "The Chase of the Golden Plate," "The Haunted Bell," etc.

NEW YORK
DODD, MEAD AND COMPANY
1917

Copyright, 1905-1906, by American-Journal-Examiner
(Copyright, 1907, by Dodd, Mead & Co.
Under the title of "The Thinking Machine")