| chapter | | page |
| [I.]
| Larry and His Friends | 1 |
| [II.]
| A Storm on the Pacific | 10 |
| [III.]
| Larry Learns Something | 20 |
| [IV.]
| The Russian Sailor's Plot | 29 |
| [V.]
| Signs of a Mutiny | 38 |
| [VI.]
| The Fight for the Ship | 47 |
| [VII.]
| The Mutineers in Possession | 56 |
| [VIII.]
| Turning the Tables | 66 |
| [IX.]
| Close to a Waterspout | 76 |
| [X.]
| Something about War and Fighting Ships
| 86 |
| [XI.]
| An Order to Lay-to | 95 |
| [XII.]
| Taken as a Prize of War | 103 |
| [XIII.]
| Prisoners on the Pocastra
| 113 |
| [XIV.]
| Progress of the War | 122 |
| [XV.]
| A Sharp Naval Battle | 132 |
| [XVI.]
| Aboard a Japanese Warship | 140 |
| [XVII.]
| The Retaking of the Columbia
| 148 |
| [XVIII.]
| A Clever Ruse | 156 |
| [XIX.]
| The Disappearance of the Enemy | 164 |
| [XX.]
| Larry before Admiral Togo | 171 |
| [XXI.]
| Letters of Interest | 180 |
| [XXII.]
| A Meeting and a Plot | 189 |
| [XXIII.]
| The Attack in the Dark | 198 |
| [XXIV.]
| The Defense of the Powder Train | 206 |
| [XXV.]
| Bombarding a Port Arthur Fort | 215 |
| [XXVI.]
| Ben Meets Captain Barusky | 223 |
| [XXVII.]
| A Fierce Battle at Sea | 232 |
| [XXVIII.]
| The Siege of Port Arthur | 240 |
| [XXIX.]
| From One Difficulty to Another | 248 |
| [XXX.]
| A Surprise for Larry | 258 |
| [XXXI.]
| A Call to Repel Boarders | 266 |
| [XXXII.]
| Fall of Port Arthur—Conclusion | 274 |