| 0 | - | cover | 1 | pencils: Creig Flessel; inks: Creig Flessel | |
| 1 | Action Comics; More Fun Comics; New Adventure Comics | promo (ad from the publisher) | 1 | letters: typeset | |
| 2 | The Grogan Case | comic story | 6 | script: Gardner Fox; pencils: Fred Guardineer; inks: Fred Guardineer | Speed Saunders |
| 4 | - | cartoon | 0.67 | script: Vin Sullivan | Alphonse Poller |
| 5 | The Invisibility Formula | comic story | 6 | script: George Newman; pencils: George Newman; inks: George Newman | Inspector Kent (introduction); Dr. Ronald Wainwright (introduction, death); Wendy Foster (introduction); Henry Adams (introduction); The Raven (introduction, villain); Algy Hawks |
| 6 | The Island of Wanatoba, Part 1 | comic story | 6 | script: Will Ely; pencils: Will Ely; inks: Will Ely | Larry Steele |
| 7 | Mirror of Doom | comic story | 8 | script: Siegel; pencils: Shuster; inks: Shuster | Sally Norris, Bart Regan |
| 8 | The Insidious Dr. Fu Manchu, Part 3 | 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; Sir Crichton Davey |
| 9 | A Dead Case | text story | 2 | script: Paul Dean; pencils: Fred Guardineer; inks: Fred Guardineer | |
| 10 | The Coolie Smugglers [Part 3] | comic story | 6 | script: Malcolm Wheeler-Nicholson; pencils: Tom Hickey; inks: Tom Hickey | Bruce Nelson |
| 11 | The Air Pirates and the S.S. Almoa | comic story | 6 | pencils: Sven Elvén; inks: Sven Elvén; letters: Sven Elven | Cosmo, the Phantom of Disguise |
| 12 | Luigi Ferrini Strikes | comic story | 6 | script: Gardner Fox; pencils: Don Lynch; inks: Don Lynch | Steve Malone |
| 13 | In Africa | comic story | 13 | script: Jerome Siegel; pencils: Joe Shuster; inks: Joe Shuster | Slam Bradley, Shorty Morgan |
| 14 | - | activity | 1 | script: A. W. Nugent; pencils: A. W. Nugent; inks: A. W. Nugent | |