| 0 | The Riddle of the Runaway Trolley! | cover | 1 | pencils: Paul Reinman; inks: Paul Reinman | Green Lantern [Alan Scott]; Hop Harrigan (inset) |
| 2 | The Riddle of the Runaway Trolley | comic story | 13 | script: Bill Finger; pencils: Paul Reinman; inks: Sam Burlockoff | Green Lantern [Alan Scott]; Doiby Dickles |
| 3 | Editorial Advisory Board | promo (ad from the publisher) | 0.33 | letters: typeset | |
| 4 | Comic Cavalcade | promo (ad from the publisher) | 0.67 | | |
| 5 | Brewster Buffalo | in-house column | 1 | script: Falcon Mathieu; pencils: Falcon Mathieu; inks: Falcon Mathieu; letters: Falcon Mathieu | |
| 6 | Hot Iron | comic story | 0.5 | script: Bud Fisher; pencils: Bud Fisher; inks: Bud Fisher; letters: Al Smith | Cicero's Cat |
| 7 | Cracking a Nut | comic story | 0.5 | script: Bud Fisher; pencils: Bud Fisher; inks: Bud Fisher; letters: Al Smith | |
| 8 | - | comic story | 1 | script: Al Smith; pencils: Al Smith; inks: Al Smith; letters: Al Smith | Mutt; Jeff |
| 9 | The Criminal Clocks | comic story | 6 | script: Joseph Greene; pencils: Joe Gallagher; inks: Joe Gallagher | The Atom [Al Pratt] |
| 10 | The Riddle of the Blazing Dummy! | comic story | 7 | script: Joseph Greene; pencils: Stan Asch; inks: Stan Asch | Dr. Mid-Nite [Dr. Charles McNider] |
| 11 | The Professor Returns | comic story | 4 | script: Sheldon Mayer; pencils: Sheldon Mayer; inks: Sheldon Mayer; letters: Sheldon Mayer | Scribbly; Red Tornado [Ma Hunkle] |
| 13 | Chinese Puzzle, Part Two | text story | 1.33 | script: Evelyn Gaines | Jimmy Stone |
| 14 | - | promo (ad from the publisher) | 0.67 | | |
| 15 | Crooked Coconuts! | comic story | 6 | pencils: Joe Gallagher; inks: Joe Gallagher | 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 | - | comic story | 1 | script: Bud Fisher; pencils: Bud Fisher; inks: Bud Fisher; letters: Al Smith | |
| 18 | Time Out for Fun and Adventure! | promo (ad from the publisher) | 1 | | |
| 19 | The Impossible Isle! | comic story | 8 | script: Jon L. Blummer; pencils: Jon L. Blummer; inks: Jon L. Blummer; letters: Jon L. Blummer | Hop Harrigan |
| 20 | Here It Is-- | in-house column | 1 | letters: typeset | |