| CHAPTER | ? | PAGE |
| I | The House in Charlton Street | 3 |
| II | Something Turns Up | 16 |
| III | The Discovery in the Attic | 32 |
| IV | A Key to the Mystery | 53 |
| V | "The Lass of Richmond Hill" | 65 |
| VI | A Surprise | 79 |
| VII | The Discoveries Corinne Made | 91 |
| VIII | Baffled! | 102 |
| IX | Introducing Alexander | 114 |
| X | Alexander Takes Hold | 126 |
| XI | Alexander Springs a Surprise | 135 |
| XII | The Mystery Unravels Further | 149 |
| XIII | Alexander Engages in Some Historical Research | 162 |
| XIV | A Belated Discovery and a Solemn Conclave | 179 |
| XV | Sarah Takes a Hand in the Game | 192 |
| XVI | The Sapphire Signet | 209 |
| XVII | In Which Sarah Changes Her Mind | 228 |
| XVIII | Two Surprises | 245 |
| XIX | The Missing Links | 255 |
