| 0 | Crime's Early Bird | cover | 1 | pencils: Jerry Robinson; inks: Jerry Robinson | Batman [Bruce Wayne]; Robin [Dick Grayson]; The Penguin [Oswald Cobblepot] |
| 1 | Editorial Advisory Board | promo (ad from the publisher) | 0.33 | letters: typeset | |
| 2 | S.O.S. Radio Patrol by William Heyliger | in-house column | 0.67 | script: Josette Frank | |
| 3 | Crime's Early Bird! | comic story | 13 | script: Bill Finger; pencils: Bob Kane; inks: Jerry Robinson, George Roussos; letters: Ira Schnapp | Batman [Bruce Wayne]; Robin [Dick Grayson]; Sing Hi Lo (stage performer); Mr. Gemly (jewel collector, death); The Penguin [Oswald Cobblepot; also as I. Waddle] (villain); Louie the Lip (villain); Hotfoot Harry (villain) |
| 5 | Escape to Disaster! | comic story | 12 | script: Jack Kirby, Joe Simon; pencils: Jack Kirby, Joe Simon; inks: Joe Simon | Boy Commandos [Rip Carter; Brooklyn [Dan Turpin]; Andre Chavard; Alfy Twidgett; Jan Haasan]; Horseshoes Corona (villain); Buttsy Baynes (villain) |
| 6 | Gags | cartoon | 0.5 | script: Henry Boltinoff; pencils: Henry Boltinoff; inks: Henry Boltinoff; letters: Henry Boltinoff | |
| 7 | Extra! | promo (ad from the publisher) | 0.5 | | |
| 8 | Smart Sam | comic story | 0.5 | | Smart Sam |
| 9 | Biggest and Best! | promo (ad from the publisher) | 0.5 | | |
| 10 | Crime on the Half-Moon! | comic story | 10 | script: Jack Lehti; pencils: Jack Lehti; inks: Charles Paris; letters: Charles Paris | The Crimson Avenger [Lee Travis]; Wing; Mr. Memory (villain); Gabby (villain) |
| 11 | Comics Zoo | cartoon | 0.44 | pencils: George Storm; inks: George Storm | |
| 12 | Growing Fast! | promo (ad from the publisher) | 0.23 | | |
| 14 | The Secret Ten | comic story | 6 | pencils: Pierce Rice; inks: Arturo Cazeneuve | Bart Regan |
| 15 | A Matter of Law | text story | 2 | script: Dalton Weeks | |
| 16 | The Case of the Country Crooner! | comic story | 7 | script: Murray Boltinoff; pencils: Lee Harris; inks: Charles Paris | Air Wave [Larry Jordan]; Static (his parrot); Mr. Weston (singer); Mr. Charles (villain, singer); Charle's thugs (villains) |
| 17 | - | comic story | 0.5 | script: Henry Boltinoff; pencils: Henry Boltinoff; inks: Henry Boltinoff; letters: Henry Boltinoff | Chief Hot Foot |
| 18 | Wonder Woman | promo (ad from the publisher) | 0.5 | | |
| 19 | Case of the Whistling Tooth | comic story | 8 | pencils: Howard Sherman; inks: Howard Sherman; letters: Howard Sherman | Slam Bradley; Shorty Morgan |
| 20 | Now on Sale | promo (ad from the publisher) | 1 | | |