CONTENTS
| CHAPTER | ||
| XXI | The Young Man who Led Pugs, | 181 |
| XXII | Thick Fog, | 190 |
| XXIII | The Possible Death Warrant, | 199 |
| XXIV | Concerning Carl Federman, | 208 |
| XXV | The Card on the Door, | 217 |
| XXVI | Participants in the Secret, | 225 |
| XXVII | The Millionaire, the Stranger, and the Princess, | 234 |
| XXVIII | The First Pursuit, | 243 |
| XXIX | The Parcel from Hull, | 252 |
| XXX | The Packet in the Safe, | 260 |
| XXXI | The Hyde Park Tea-house, | 268 |
| XXXII | The Chilverton Anti-climax, | 276 |
| XXXIII | The Smart Miss Slade, | 281 |
| XXXIV | Merrifield Explains, | 293 |
| XXXV | The Allerdyke Way, | 299 |
