CHAPTER I. UNDER THE EQUATOR.
CHAPTER II. WHAT THE FISHERMEN CAUGHT.
CHAPTER III. A MASTERLY RETREAT.
CHAPTER IV. PLANNING A MIDNIGHT RIDE.
CHAPTER V. A WAIF AND A STRAY.
CHAPTER VI. AUTOMOBILE VS. AEROPLANE.
CHAPTER VII. A PAIR OF PLANS.
CHAPTER VIII. A SPRING FOR LIBERTY.
CHAPTER IX. A FINE CURTAIN-RAISER.
CHAPTER X. WHERE THE TROUBLE BEGAN.
CHAPTER XI. UNDER TROPICAL STARS.
CHAPTER XII. THE HAUNTED TEMPLE.
CHAPTER XIII. THE CLOSING OF A DOOR.
CHAPTER XIV. THE INDIANS HELP SOME!
CHAPTER XV. A QUESTION OF MARKSMANSHIP.
CHAPTER XVI. BESIEGED IN THE TEMPLE.
CHAPTER XVII. THE LOST TELEGRAMS.
CHAPTER XVIII. JIMMIE'S AWFUL HUNGER.
CHAPTER XIX. WHERE THE PASSAGE ENDED.
CHAPTER XX. THE SAVAGES MAKE MORE TROUBLE.
CHAPTER XXI. THE MYSTERY OF THE ANDES.
CHAPTER XXII. TWO RUNAWAY BOYS!
CHAPTER XXIII. TWO RUNAWAY AVIATORS!
CHAPTER XXIV. THE END OF THE MYSTERY.
Book cover
The boys were certain that if they could have looked down upon the savages they would have seen them on their knees.
