Stories:

1. Speed Saunders Ace Investigator and The Snake Death [17] (by Fred Guardineer)

2. Oscar The Gumshoe [2] (by Bob Kane)

3. Larry Steele Private Detective [14] The Maine Castle Mystery Part 1 (by Will Ely)

4. Cosmo, The Phantom of Disguise [17] Von Ruyter's Explosive Gun (illustrated by Sven Elvén)

5. Doctor Fu Manchu! [Part 1] (by the celebrated English author Sax Rohmer)

6. Spy [17] The Hooded Hordes (by Jerome Siegel and Joe Shuster)

7. Disaster on The Diamond (text story by Paul Dean)

8. Bruce Nelson and The Coolie Smugglers Part 1 [17] (by Tom Hickey)

9. Buck Marshall, Range Detective [17] The Right Trail (by H. Fleming)

10. Slam Bradley Gets The Air [17] (by Siegel and Shuster)

11. Detective Puzzles (by A.W. Nugent)