| CHAPTER | | PAGE |
| I. | An Encounter on the Road | [1] |
| II. | The Cadets of Putnam Hall | [11] |
| III. | Something About a Runaway | [19] |
| IV. | A Fruitless Search | [29] |
| V. | The Fight in the Gymnasium | [39] |
| VI. | Captain Putnam Investigates | [49] |
| VII. | Pepper Makes a Discovery | [59] |
| VIII. | The Football Eleven | [69] |
| IX. | The Football Game | [79] |
| X. | Putting Out a Lively Blaze | [89] |
| XI. | A Mysterious Happening | [99] |
| XII. | An Invitation Accepted | [109] |
| XIII. | The Work of the Enemy | [119] |
| XIV. | At the Ford Mansion | [129] |
| XV. | The Snowball Battle | [139] |
| XVI. | In Which More Valuables Vanish | [149] |
| XVII. | The Tug-of-War | [159] |
| XVIII. | A Curious Meeting | [169] |
| XIX. | About a Set of Teeth | [178] |
| XX. | Pepper a Prisoner | [187] |
| XXI. | A Grave Accusation | [196] |
| XXII. | The Mystery Goes On | [205] |
| XXIII. | An Election of Officers | [214] |
| XXIV. | Andy Shows His Courage | [223] |
| XXV. | The Man at Point View Lodge | [231] |
| XXVI. | What the Constable Thought | [239] |
| XXVII. | Looking for Clues | [247] |
| XXVIII. | To the Rescue | [255] |
| XXIX. | A Real Hero | [263] |
| XXX. | The Mystery Explained—Conclusion | [271] |