The Motor Boys Under the Sea; or, From Airship to Submarine

From Airship to Submarine
CLARENCE YOUNG
AUTHOR OF “THE MOTOR BOYS,” “THE MOTOR BOYS ON THE BORDER,” “THE RACER BOYS SERIES,” “THE JACK RANGER SERIES,” ETC.
ILLUSTRATED
NEW YORK CUPPLES & LEON COMPANY
BOOKS BY CLARENCE YOUNG
THE MOTOR BOYS SERIES
12mo. Illustrated.
THE JACK RANGER SERIES
12mo. Finely Illustrated.
THE RACER BOYS SERIES
12mo. Illustrated.