CONTENTS
| CHAPTER | PAGE | |
| I. | The First Move | [1] |
| II. | Complications | [9] |
| III. | Unidentified | [22] |
| IV. | A Question of Time | [39] |
| V. | The “Ace” | [53] |
| VI. | Developments | [70] |
| VII. | The Fifth Man | [85] |
| VIII. | Further Developments | [100] |
| IX. | The Telegram | [113] |
| X. | “Seditious Utterances” | [126] |
| XI. | Conflicting Clues | [143] |
| XII. | The Call | [162] |
| XIII. | The Blotted Page | [177] |
| XIV. | Burnham Prefers Charges | [188] |
| XV. | “The Best Laid Plans” | [204] |
| XVI. | In the Limelight | [220] |
| XVII. | Camouflage | [236] |
| XVIII. | “The Handwriting on the Wall” | [250] |
| XIX. | Bribery | [264] |
| XX. | Identification | [276] |
| XXI. | Unmasked | [284] |
| XXII. | The Missing Diagrams | [ 297] |