| 0 | - | cover | 1 | pencils: Fred Guardineer; inks: Fred Guardineer | |
| 1 | Tic-Tac-Toe | comic story | 0.75 | script: Bob Kane; pencils: Bob Kane; inks: Bob Kane | Cleo; Clancy |
| 2 | - | credits, title page | 0.25 | letters: typeset | |
| 3 | The Persian Jewel Mystery | comic story | 6 | script: Gardner Fox; pencils: Fred Guardineer; inks: Fred Guardineer | Speed Saunders |
| 4 | - | comic story | 1 | script: Bob Kane; pencils: Bob Kane; inks: Bob Kane | Oscar |
| 5 | The Model Murder Mystery, Part 1 | comic story | 6 | script: Will Ely; pencils: Will Ely; inks: Will Ely | Larry Steele |
| 6 | The Ace Foundry Sabotage | comic story | 6 | pencils: Sven Elvén; inks: Sven Elvén; letters: Sven Elven | Cosmo, the Phantom of Disguise |
| 7 | Subterfuge at Sea | comic story | 6 | script: Jerry Siegel; pencils: Joe Shuster; inks: Joe Shuster, Joe Shuster | Sally Norris, Bart Regan |
| 8 | Dental Work Now Is Almost As Good an Evidence of Identity As Fingerprints! | cartoon | 1 | script: Don Vincent; pencils: Don Vincent; inks: Don Vincent | |
| 9 | Will Issue Own Stamps | text article | 0.6 | letters: typeset | |
| 11 | The Insidious Dr. Fu Manchu, Part 8 | comic story | 4 | script: Leo O'Mealia, Sax Rohmer; pencils: Leo O'Mealia; inks: Leo O'Mealia | Dr. Fu Manchu; Sir Dennis Nayland Smith; Dr. Petrie |
| 12 | The Old Gray House | text story | 0.65 | script: Terry Keane; pencils: Fred Guardineer; inks: Fred Guardineer | Billy Kane; Joe; Harry (counterfeiter); Chief of Police Higgins |
| 16 | Tony Sparta and the River Gang | comic story | 6 | script: Jim Chambers; pencils: Jim Chambers; inks: Jim Chambers | The Crimson Avenger, Wing How, Lee Travis, Wing |
| 17 | Back from the Dead [Part 1] | comic story | 6 | script: Tom Hickey; pencils: Tom Hickey; inks: Tom Hickey | Bruce Nelson |
| 18 | Trail of Paper | comic story | 6 | script: H. Fleming; pencils: H. Fleming; inks: H. Fleming | Buck Marshall |
| 19 | In Two Billion A.D., Part 2 | comic story | 13 | script: Jerry Siegel; pencils: Joe Shuster; inks: Joe Shuster, Joe Shuster | Slam Bradley, Shorty Morgan |
| 20 | - | activity | 1 | script: A. W. Nugent; pencils: A. W. Nugent; inks: A. W. Nugent; letters: A. W. Nugent | |