Stories:

1. Speed Saunders [6] The Mystery Of The Lost Ape

2. The Law At Work [1]

3. Larry Steele [2] Mystery Of The Wholesale Kidnappings Part 2 (by Will Georgi aka Will Ely)

4. Cosmo, The Phantom of Disguise [6] The Disappearing Diamonds (illustrated by Sven Elvén)

5. Bruce Nelson [6] The Claws Of The Red Dragon: Part 6 (by Tom Hickey)

6. Tropical Trouble (text story by Paul Dean, illustrated by Creig Flessel)

7. Gumshoe Gus [3] A Bum Disguise (by Bill Patrick)

8. Spy [6] The Investigation Of Captain Hanley (by Jerome Siegel and Joe Shuster)

9. Mr. Chang [3] The Mad Scientist (by Win aka Ed Winiarski)

10. Slam Bradley [6] In Mexico (by Jerome Siegel and Joe Shuster)