Chapter I: Front Matter

_The Motor Boys_

NED, BOB AND JERRY ON THE FIRING LINE

Or

The Motor Boys Fighting for Uncle Sam

BY CLARENCE YOUNG

AUTHOR OF "THE MOTOR BOAT SERIES" "THE RACER BOYS SERIES," "THE JACK RANGER SERIES," ETC.

ILLUSTRATED

NEW YORK CUPPLES & LEON COMPANY

BOOKS BY CLARENCE YOUNG

12mo. Cloth. Illustrated. Price per volume, 80 cents, postpaid.

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--SECOND SERIES

NED, BOB AND JERRY AT BOXWOOD HALL NED, BOB AND JERRY ON A RANCH NED, BOB AND JERRY IN THE ARMY NED, BOB AND JERRY ON THE FIRING LINE

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

THE RACER BOYS SERIES

THE RACER BOYS THE RACER BOYS AT BOARDING SCHOOL THE RACER BOYS TO THE RESCUE THE RACER BOYS ON THE PRAIRIES THE RACER BOYS ON GUARD THE RACER BOYS FORGING AHEAD

Copyright, 1919, by

CUPPLES & LEON COMPANY

Ned, Bob and Jerry on the Firing Line

CONTENTS

CHAPTER PAGE

I. The Spy Alarm 1

II. A Man and a Snake 11

III. A Puzzled Professor 18

IV. A Two-Girl Problem 29

V. More Girls 35

VI. Noddy Nixon 43

VII. Off for France 53

VIII. The Training Camp 59

IX. On the Firing Line 71

X. In the Trenches 78

XI. A Night Patrol 88

XII. Bob Is Missing 96

XIII. "Just Like Him!" 108

XIV. A Desperate Chance 116

XV. The Sniper 123

XVI. Over the Top 129

XVII. "Fried Holes" 136

XVIII. The School Janitor 145

XIX. News at Last 153

XX. A Queer Question 162

XXI. A Visitor 171

XXII. An Unexpected Capture 177

XXIII. Great Preparations 184

XXIV. "S. I. W." 194

XXV. The Black Box 201

XXVI. A Disappearance 209

XXVII. St. Mihiel 218

XXVIII. In Argonne Forest 226

XXIX. Captured 232

XXX. Recaptured 243

NED, BOB AND JERRY ON THE FIRING LINE