| CHAPTER | | PAGE |
| I. | The Horse and His Rider | [1] |
| II. | How Cal Evans Rode for Help | [15] |
| III. | The Band of Kah-Go-Mish | [23] |
| IV. | The Garrison of Santa Lucia | [27] |
| V. | Cal and the Cavalry and the Red Mustang | [32] |
| VI. | The Peril of Santa Lucia | [38] |
| VII. | Bound for the Border | [51] |
| VIII. | Getting Ready to Chase Kah-Go-Mish | [56] |
| IX. | The Hacienda of Santa Lucia | [63] |
| X. | The Target on the Rock | [67] |
| XI. | The Story of a Log | [75] |
| XII. | Ping and the Cougar | [82] |
| XIII. | The Return of Kah-Go-Mish | [89] |
| XIV. | The Fountain in the Desert | [94] |
| XV. | Lost in the Chaparral | [101] |
| XVI. | An Invasion of Two Republics | [107] |
| XVII. | How Ping and Tah-Nu-Nu Got to the Spring | [114] |
| XVIII. | How Dick Played Sentinel | [120] |
| XIX. | Bad News for Wah-Wah-O-Be | [126] |
| XX. | How Cal Started for Mexico | [132] |
| XXI. | The Manitou of Cold Spring | [139] |
| XXII. | Across the Desert by Night | [144] |
| XXIII. | At the Ranch and in the Chaparral | [151] |
| XXIV. | Cal's Night Under a Tree | [157] |
| XXV. | A Strange Letter from Mexico | [163] |
| XXVI. | Cal's Visitors and His Breakfast | [169] |
| XXVII. | The Post-boy That Got Away | [174] |
| XXVIII. | The Mystery of the Sticks | [180] |
| XXIX. | How Would You Like Fire? | [186] |
| XXX. | The Manitou Water | [192] |
| XXXI. | Pull Stick and the Hurricane | [198] |
| XXXII. | Under a Fallen Tree | [204] |
| XXXIII. | Leaving the Bad-Medicine Camp | [210] |
| XXXIV. | Tah-Nu-Nu's Disappointment | [216] |
| XXXV. | Hand to Hand by Firelight | [222] |
| XXXVI. | How Cal Was Left All Alone | [227] |
| XXXVII. | Rescued by the Red Mustang | [234] |
| XXXVIII. | How All Reached Santa Lucia | [239] |