CHAPTER TITLES: 1. The Pool of Mystery (aka The Pool of Lost Souls); 2. The Claws of the Vulture; 3. The Vulture's Vengeance; 4. The Passing of Gentleman Geoff; 5. At the Mercy of a Monster; 6. The Flames of Death; 7. A Desperate Chance; 8. Facing Death; 9. A Leap for Life; 10. Out of Death's Shadow; 11. Through Fire and Water (aka In the Depths of the Sea); 12. In Death's Grip; 13. Trapped; 14. The Lost Millions; 15. The Mysterious Message; 16. In Search of a Name (aka In Deadly Peril); 17. The Rope of Death; 18. Run to Earth.