THE MOTOR BOYS ON
THUNDER MOUNTAIN

BOOKS BY CLARENCE YOUNG

12mo. Cloth. Illustrated.

THE MOTOR BOYS SERIES

• THE MOTOR BOYS
• THE MOTOR BOYS OVERLAND
• THE MOTOR BOYS IN MEXICO
• THE MOTOR BOYS ACROSS THE PLAINS
• THE MOTOR BOYS AFLOAT
• THE MOTOR BOYS ON THE ATLANTIC
• THE MOTOR BOYS IN STRANGE WATERS
• THE MOTOR BOYS ON THE PACIFIC
• THE MOTOR BOYS IN THE CLOUDS
• THE MOTOR BOYS OVER THE ROCKIES
• THE MOTOR BOYS OVER THE OCEAN
• THE MOTOR BOYS ON THE WING
• THE MOTOR BOYS AFTER A FORTUNE
• THE MOTOR BOYS ON THE BORDER
• THE MOTOR BOYS UNDER THE SEA
• THE MOTOR BOYS ON ROAD AND RIVER
• THE MOTOR BOYS AT BOXWOOD HALL
• THE MOTOR BOYS ON A RANCH
• THE MOTOR BOYS IN THE ARMY
• THE MOTOR BOYS ON THE FIRING LINE
• THE MOTOR BOYS BOUND FOR HOME
• THE MOTOR BOYS ON THUNDER MOUNTAIN

THE JACK RANGER SERIES

• JACK RANGER’S SCHOOLDAYS
• JACK RANGER’S WESTERN TRIP
• JACK RANGER’S SCHOOL VICTORIES
• JACK RANGER’S OCEAN CRUISE
• JACK RANGER’S GUN CLUB
• JACK RANGER’S TREASURE BOX