| CHAPTER | | PAGE |
| I | A Rescue in Canyon Diablo | [1] |
| II | The Mystery of the Hammering | [11] |
| III | Lieutenant Adeler and Wibbelty-Wobbelty | [21] |
| IV | The Aeroplane’s First Flight | [38] |
| V | The Wreck of the Yacht | [45] |
| VI | Go! | [56] |
| VII | A Glide to Safety | [61] |
| VIII | A Fight in the Sky | [70] |
| IX | Two Boys and a General | [81] |
| X | That Million Dollars | [93] |
| XI | The Merry Bell-Boy | [98] |
| XII | The Lone Cabin | [110] |
| XIII | Detective Poodle | [125] |
| XIV | Air-Pilot Poodle | [146] |
| XV | Charge! | [156] |
| XVI | The Captain’s Trick | [166] |
| XVII | At Santa Benicia Academy | [174] |
| XVIII | The Great Hazing | [184] |
| XIX | Aviating Again! | [196] |
| XX | The Game with the Etonians | [210] |
| XXI | Left Eared Dongan | [216] |
| XXII | Trouble in Mexico | [225] |
| XXIII | Rebels at the Border | [230] |
| XXIV | A Skirmish at Aguas Grandes | [238] |
| XXV | The Rain of Death | [250] |
| XXVI | A Kite for Watch-Tower | [258] |
| XXVII | Will Hike Play? | [265] |
| XXVIII | The Big Game | [271] |