CHAPTER TITLES: 1. Prison Bars Beckon; 2. The Face at the Window; 3. The Devil's Dictograph; 4. Vanishing Jewels; 5. The Fatal Spark; 6. The Necklace of Treachery; 7. The Secret Passage; 8. Garr Castle is Robbed; 9. The Mirror of Treachery; 10. The Dagger That Failed; 11. The Flaming Arrow; 12. The Devil Dogs; 13. The Deceiving Microphone; 14. End of Hope; 15. The Green Archer Exposed.