The Boy Troopers Series
BY CLAIR W. HAYES
Author of the Famous "Boy Allies" Series.
The adventures of two boys with the Pennsylvania State Police.
All Copyrighted Titles.
Cloth Bound, with Attractive Cover Designs.
PRICE, 65 CENTS EACH.
THE BOY TROOPERS ON THE TRAIL
THE BOY TROOPERS IN THE NORTHWEST
THE BOY TROOPERS ON STRIKE DUTY
THE BOY TROOPERS AMONG THE WILD MOUNTAINEERS