| 0 | - | cover | 1 | pencils: Martin Nodell, Irwin Hasen; inks: Martin Nodell, Irwin Hasen | Green Lantern [Alan Scott]; Doiby Dickles |
| 2 | The Sinister Plot of Professor Caspar | comic story | 13 | script: Bill Finger; pencils: Martin Nodell; inks: Martin Nodell | Green Lantern [Alan Scott]; Doiby Dickles; Fog Blake (introduction); Ellen (Blake's fiancee); Professor Blau (Yale scientist); Professor Vogt (Harvard scientist); Professor Steinholtz (APEX Chief Engineer, scientist); O'Toole (Policeman, death); Professor Caspar (villain); Hans (villain) |
| 3 | - | promo (ad from the publisher) | 0.5 | | |
| 4 | All-Star Comics | promo (ad from the publisher) | 0.5 | | |
| 5 | The Phony Doctor | comic story | 6 | script: Jon L. Blummer; pencils: Jon L. Blummer; inks: Jon L. Blummer; letters: Jon L. Blummer | Hop Harrigan |
| 6 | The Adamowicz Brothers | cartoon | 1 | script: Jon L. Blummer; pencils: Jon L. Blummer; inks: Jon L. Blummer | Hop Harrigan (inset) |
| 7 | Hello, Members of the All-American Flying Club! | in-house column | 1 | letters: typeset | |
| 8 | - | comic story | 1 | script: Al Smith; pencils: Al Smith; inks: Al Smith; letters: Al Smith | Mutt; Jeff |
| 9 | The Car Racket | comic story | 6 | script: Bill O'Connor; pencils: Ben Flinton; inks: Leonard Sansone | The Atom [Al Pratt]; Joe Morgan |
| 10 | All It Takes Is a Tap | comic story | 0.5 | script: Bud Fisher; pencils: Bud Fisher; inks: Bud Fisher; letters: Al Smith | Cicero's Cat |
| 11 | - | comic story | 0.5 | script: Bud Fisher; pencils: Bud Fisher; inks: Bud Fisher | |
| 12 | Uncle Herman -- Detective | comic story | 4 | script: Sheldon Mayer; pencils: Sheldon Mayer; inks: Sheldon Mayer; letters: Sheldon Mayer | Red Tornado [Ma Hunkel]; Scribbly Jibbet; Uncle Herman |
| 13 | - | comic story | 0.5 | script: Al Smith; pencils: Al Smith; inks: Al Smith; letters: Al Smith | Cicero's Cat |
| 14 | Mousetrap Catapult | comic story | 0.5 | script: Al Smith; pencils: Al Smith; inks: Al Smith | |
| 15 | The Parrot Puzzle | comic story | 6 | script: John Wentworth; pencils: Harry Lampert; inks: Harry Lampert | Red Dugan; Whitey White; Blooey Blue |
| 16 | - | comic story | 1 | script: Al Smith; pencils: Al Smith; inks: Al Smith; letters: Al Smith | Mutt; Jeff |
| 17 | The Bomber | comic story | 8 | script: John B. Wentworth; pencils: Howard Purcell; inks: Howard Purcell | Sargon [John Sargent]; Flora Styles |
| 18 | Now on Sale | promo (ad from the publisher) | 1 | | |
| 19 | The Murder of Chester Holmes, Part 2 | text story | 1.5 | script: Evelyn Gaines | Phil Hackett |
| 20 | Sensation Comics | promo (ad from the publisher) | 0.5 | | |
| 21 | Editorial Advisory Board | promo (ad from the publisher) | 0.33 | letters: typeset | |
| 22 | The Matchlock Gun | in-house column | 0.67 | script: Josette Frank | |
| 23 | Woodrow Wilson | text article | 1 | letters: typeset | |
| 24 | The Truth of Dr. Mid-Nite's Identity | comic story | 8 | script: Charles Reizenstein; pencils: Stan Asch; inks: Stan Asch | Dr. Mid-Nite [Charles McNider]; Myra Mason; Hooty; N. N. Osgood; unnamed foreign agents (villains) |