Chapter Titles:
- 1. The Mystery of the Towers
- 2. Shattered Evidence
- 3. Terror By Night
- 4. Deluge of Destruction
- 5. Pursuit Into Peril
- 6. Brink Of Doom
- 7. Design For Murder
- 8. The Flying Coffin
- 9. S. O. S. Ranger
- 10.The Death Detector
- 11.The Flaming Pit
- 12.Tower of Vengeance