| CHAPTER | PAGE |
| I | Near the Fighting Front | [ 1] |
| II | The Gas Attack | [ 12] |
| III | The Finding of Roger | [ 21] |
| IV | Letters | [ 30] |
| V | News from Home | [ 41] |
| VI | A Battle in the Air | [ 52] |
| VII | The German Aviator | [ 62] |
| VIII | The Perils of Road Building | [ 73] |
| IX | In the Thick of the Fight | [ 83] |
| X | Dave Shows His Bravery | [ 94] |
| XI | In the Hospital | [ 104] |
| XII | What Nat Poole Said | [ 115] |
| XIII | The Distinguished Service Medal | [ 125] |
| XIV | The Machine-Gun Nests | [ 136] |
| XV | Lieutenant Porter | [ 146] |
| XVI | A Personal Affair | [ 156] |
| XVII | At the Trenches | [ 166] |
| XVIII | The German Prisoner | [ 175] |
| XIX | At the Brook | [ 186] |
| XX | Attacked in the Dark | [ 196] |
| XXI | In the Abandoned Mines | [ 205] |
| XXII | Looking for Dave | [ 215] |
| XXIII | A Prisoner of the Enemy | [ 227] |
| XXIV | Trying to Escape | [ 238] |
| XXV | The Encounter on the River | [ 249] |
| XXVI | Deep in the Woods | [ 259] |
| XXVII | What Dave’s Chums Did | [ 269] |
| XXVIII | The German Headquarters | [ 280] |
| XXIX | The Last Fight | [ 289] |
| XXX | Captain David Porter—Conclusion | [ 298] |