TO
EDWIN AND ISABEL LEWIS,
THE AUTHOR’S OLDEST FRIENDS
| 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 |