THE MOTOR BOYS
OVER THE ROCKIES
Or
A Mystery of the Air
BY
CLARENCE YOUNG
Author of
“The Racer Boys Series” and “The Jack Ranger Series.”
ILLUSTRATED
NEW YORK
CUPPLES & LEON COMPANY
BOOKS BY CLARENCE YOUNG
THE MOTOR BOYS SERIES
12mo. Illustrated.
THE MOTOR BOYS
Or Chums Through Thick and Thin
THE MOTOR BOYS OVERLAND
Or A Long Trip for Fun and Fortune
THE MOTOR BOYS IN MEXICO
Or The Secret of the Buried City
THE MOTOR BOYS ACROSS THE PLAINS
Or The Hermit of Lost Lake
THE MOTOR BOYS AFLOAT
Or The Stirring Cruise of the Dartaway
THE MOTOR BOYS ON THE ATLANTIC
Or The Mystery of the Lighthouse
THE MOTOR BOYS IN STRANGE WATERS
Or Lost in a Floating Forest
THE MOTOR BOYS ON THE PACIFIC
Or The Young Derelict Hunters
THE MOTOR BOYS IN THE CLOUDS
Or A Trip for Fame and Fortune
THE MOTOR BOYS OVER THE ROCKIES
Or A Mystery of the Air
THE JACK RANGER SERIES
12mo. Finely Illustrated.
JACK RANGER’S SCHOOLDAYS
Or The Rivals of Washington Hall
JACK RANGER’S WESTERN TRIP
Or From Boarding School to Ranch and Range
JACK RANGER’S SCHOOL VICTORIES
Or Track, Gridiron and Diamond
JACK RANGER’S OCEAN CRUISE
Or The Wreck of the Polly Ann
JACK RANGER’S GUN CLUB
Or From Schoolroom to Camp and Trail
Copyright, 1911, by
Cupples & Leon Company
The Motor Boys Over the Rockies
Printed in U. S. A.
CONTENTS
CHAPTER PAGE I. The Airship Stolen 1 II. An Unconscious Watchman 11 III. On a Mysterious Trail 17 IV. A Farmer’s Clew 28 V. The Telegram 41 VI.THE MOTOR BOYS OVER THE ROCKIES