6CHAPTER V. STALKING A MOUNTAIN MYSTERY
17CHAPTER XVI. THE CROSS ON THE DESERT
7CHAPTER VI. INTO THE GRBAT SILENCE
18CHAPTER XVII. ANOTHER MYSTERY TO SOLVE
8CHAPTER VII. THE FIRST DESERT CAMP
19CHAPTER XVIII. AN OLD INDIAN TRICK
9CHAPTER VIII. CALLERS DROP IN
20CHAPTER XIX. THE WARNING
10CHAPTER IX. PIRATES GET A HOT RECEPTION
21CHAPTER XX. CONCLUSION
11CHAPTER X. WHEN THE BLOW FELL
