Copyright, 1917, by
AMERICAN AUTHORS PUBLISHING CO.
CONTENTS
| CHAPTER | PAGE | |
| I. | The Decision | [13] |
| II. | The Fight in Devil's Cut | [24] |
| III. | The 75-Millimetre Guns | [32] |
| IV. | A Lesson in Observation | [42] |
| V. | The Curtain of Fire | [50] |
| VI. | A Shelled Battlefield | [60] |
| VII. | A Lively Camp Behind the Lines | [70] |
| VIII. | The Spies in the Camp | [82] |
| IX. | The Laws Against Spies | [93] |
| X. | A Difficult Trip to the Main Trenches | [104] |
| XI. | Discovering a German Range-Finder | [116] |
| XII. | Finding the Enemy's Battery | [128] |
| XIII. | The Mysterious Figures on the Range-Finder | [140] |
| XIV. | Caught in a Terrific Drive | [152] |
LIST OF ILLUSTRATIONS
| "At them, boys!" shrieked the Corporal | [Frontispiece] |
| PAGE | |
| Method of Signaling from Airplanes | [53] |
| Peculiarities of Trajectories | [56] |
| Peculiarities of Trajectories | [57] |
| The Deadly Shrapnel Shell | [68] |
| The Spy's Account Book | [91] |
| Pontooning Heavy Guns Across a Stream | [101] |
| A German Range-Finder | [118] |
| Arrangement of Guns on Hill 203 | [138] |
THE BOY VOLUNTEERS
WITH THE BRITISH
ARTILLERY