Stories:

1. Detective Puzzles
2. Speed Saunders Ace Investigator and The Death Sled [25] (by Fred Guardineer)
3. Crime Never Pays [5]
4. Larry Steele, Private Detective [22] The Model Murder Mystery, Part 2 (by Will Ely)
5. Buck Marshall, Range Detective [22] Death Masquerades (by H. Fleming)
6. Spy [25] The President's Assignment (by Jerry Siegel and Joe Shuster)
7. Oscar The Gumshoe [6] (by Bob Kane)
8. Stamp Collectors' Corner (text)
9. The Mysterious Doctor Fu Manchu! [Part 9] (by Sax Rohmer)
10. Secret Service Man (text story by Paul Dean)
11. The Crimson Avenger [6] The Airline Insurance Murders (by Jim Chambers)
12. Bruce Nelson in Back from The Dead, Part 2 [25] (by Tom Hickey)
13. Cosmo, The Phantom of Disguise [25] Ma Pierce's Last Kidnapping (illustrated by Sven Elvén)
14. Slam Bradley [25] The Merrivale Mystery (by Jerry Siegel and Joe Shuster)