| PART I |
| CHAPTER | | PAGE |
| I | The Conquest of the Air | [3] |
| II | “A B C's” of a Balloon | [14] |
| III | Early Balloon Adventures | [20] |
| IV | The Parachute | [28] |
| V | Ballooning in the Great War | [36] |
| |
| PART II |
| I | Development of the Dirigible | [47] |
| II | Forerunners of the Allied Dirigibles | [60] |
| III | Dirigibles in the World War | [68] |
| |
| PART III |
| I | Early Experiments with Heavier-than-Air Machines | [77] |
| II | First Principles of an Airplane | [91] |
| III | The Pioneers | [99] |
| IV | The Airplane in the World War | [128] |
| V | Some of the Problems the Inventors Had to Solve | [150] |
| VI | Famous Allied Airplanes | [170] |
| VII | German Airplanes in the World War | [189] |
| VIII | Heroes of the Air | [205] |
| IX | The Birth of an Airplane | [223] |
| X | The Training of an Aviator | [232] |
| XI | The Future Story of the Air | [244] |
| | Reading List | [256] |
| | Index | [259] |