In attempting to develop a chemical which would make a person super-intelligent, Dr. Montrose fails and the subjects of his experiments metamorphose into hideous monsters who band together and prey on humans. With the police stymied, a young detective attempts to track down the leader of the group of killers, known only to have a small crimson stain in one eye. Written by
Doug Sederberg <email@example.com>
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Chapter titles: 1. The Brand of Satan 2. In the Demon's Spell 3. The Broken Spell 4. The Mysterious Disappearance 5. The Figure in Black 6. The Phantom Image 7. The Devil's Symphony 8. In the Shadow of Death 9. The Haunting Spectre 10. The Infernal Fiend 11. The Tortured Soul 12 The Restless Spirit 13. Despoiling Brutes 14. The Bloodhound 15 The Human Tiger 16 The Unmasking See more