H. IRVING HANCOCK
Reading edition
Author of "Dave Darrin at Vera Cruz," "Dave Darrin on Mediterranean Service," "Dave Darrin's South American Cruise," "Dave Darrin on the Asiatic Station," "Dave Darrin and the German Submarines," etc., etc.
Illustrated
P H I L A D E L P H I A HENRY ALTEMUS COMPANY
"Unbolt the door!" Frontispiece