Front matter
Reading edition
AUTHOR OF THE CLUE IN THE AIR, SUSPENSE, Etc.
NEW YORK GROSSET & DUNLAP PUBLISHERS
Copyright, 1919, by W. J. WATT & COMPANY
Other Detective Stories
BY ISABEL OSTRANDER
"AT 1:30" "THE HERITAGE OF CAIN" "THE CREVICE" (In collaboration with detective William J. Burns) "THE CLUE IN THE AIR"