Hidden Dangers

"A Dr. Jekyl and Mr. Hyde serial. Three big thrills in each episode. See a man change his whole physical being right before your own eyes."

15 chapter adventure serial: 1. The Evil Spell 2. The Murder Mood 3. Plucked from Peril 4. The Fatal Choice 5. Hands of Horror 6. Springing the Trap 7. Hindoo Hate 8. Hemmed In 9. An Inch from Doom 10. A Fanatic's Revenge 11. The Tank's Secret 12. Human Bait 13. A Woman's Grit 14. The Fatal Escape 15. The Lifting Fog.