| The Sign of the Four | 1 |
| *** | 1 |
| Arthur Conan Doyle | 1 |
| 1 | |
| Chapter I | 5 |
| The Science of Deduction | 5 |
| Chapter II | 7 |
| The Statement of the Case | 7 |
| Chapter III | 9 |
| In Quest of a Solution | 9 |
| Chapter IV | 11 |
| The Story of the Bald–Headed Man | 11 |
| Chapter V | 13 |
| The Tragedy of Pondicherry Lodge | 13 |
| Chapter VI | 15 |
| Sherlock Holmes Gives a Demonstration | 15 |
| Chapter VII | 17 |
| The Episode of the Barrel | 17 |
| Chapter VIII | 19 |
| The Baker Street Irregulars | 19 |
| Chapter IX | 21 |
| A Break in the Chain | 21 |
| Chapter X | 23 |
| The End of the Islander | 23 |
| Chapter XI | 25 |
| The Great Agra Treasure | 25 |
| Chapter XII | 27 |
| The Strange Story of Jonathan Small | 27 |
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