15 chapter adventure serial starring Doris Kenyon. Episode titles: 1. The Gauntlet of Death 2. Counterfeit Faces 3. The Island of Dread 4. The False Locket 5. The Air-Lock 6. The Flower of Death 7. The Fire Trap 8. Slide for Life 9. Jets of Flame 10. Cogs of Death 11. Trapped by Treachery 12. Eyes in the Wall 13. Jaws of the Tiger 14. The Unmasking 15. The Girl of the Prophecy.
Release Date: November 23, 1917
January 26, 1945
June 08, 1949
August 21, 1927
March 29, 1925
March 31, 1914
August 07, 1916
April 06, 1936
June 23, 1972
November 15, 1927
December 03, 1938
March 17, 1917
November 18, 1918
September 17, 1953
September 01, 1936
April 05, 1915
May 21, 1915
March 01, 1925
September 29, 1933
August 29, 1929
August 01, 1957