Avenger
1. Justice, Inc. (1939)
2. The Yellow Hoard (1939)
3. The Sky Walker (1939)
4. The Devil's Horns (1939)
5. The Frosted Death (1940)
6. The Blood Ring (1940)
7. Stockholders in Death (1940)
8. The Glass Mountain (1940)
9. Tuned for Murder (1940)
10. The Smiling Dogs (1940)
11. River of Ice (1940)
12. The Flame Breathers (1940)
13. Murder on Wheels (1940)
14. Three Gold Crowns (1941)
15. House of Death (1941)
16. The Hate Master (1941)
17. Nevlo (1941)
18. Death in Slow Motion (1941)
19. Pictures of Death (1941)
20. The Green Killer (1942)
21. The Happy Killers (1942)
22. The Black Death (1942)
23. The Wilder Curse (1942)
24. Midnight Murder (1942)

Crispin Affair / Red Hell of Jupiter (2012) (with Jack Sharkey)