THE ROVER BOYS UNDER CANVAS By ARTHUR M. WINFIELD

“MY GRACIOUS! LOOK AT THAT!” (Frontispiece)—Page 28

THE ROVER BOYS UNDER CANVAS OR THE MYSTERY OF THE WRECKED SUBMARINE BY ARTHUR M. WINFIELD (Edward Stratemeyer) AUTHOR OF “THE ROVER BOYS AT SCHOOL,” “THE ROVER BOYS ON THE OCEAN,” “THE PUTNAM HALL SERIES,” ETC. ILLUSTRATED NEW YORK GROSSET & DUNLAP PUBLISHERS Made in the United States of America