The Secret of the Ages, by Robert Collier, [1926]
| I | |
| | PAGE |
| The World's Greatest Discovery | 13 |
| In the Beginning | 15 |
| The Purpose of Existence | 19 |
| The "Open Sesame!" of Life | 24 |
| | |
| II | |
| | |
| The Genie-of-Your-Mind | 29 |
| The Conscious Mind | 36 |
| The Subconscious Mind | 39 |
| The Universal Mind | 64 |