| 0 | - | cover | 1 | pencils: Joe Shuster; inks: Joe Shuster; colors: Jack Adler | Superman |
| 1 | Action Comics #1 Birth of the Super-Hero | text article | 2 | script: Robert Greenberger | |
| 2 | One Page Origin of Superman | comic story | 1 | script: Jerry Siegel; pencils: Joe Shuster; inks: Joe Shuster; letters: Joe Shuster | Superman (intro, brief origin) |
| 3 | The Coming of Superman | comic story | 12 | script: Jerry Siegel; pencils: Joe Shuster; inks: Joe Shuster; letters: Joe Shuster | Superman; George Taylor (intro, not named); Lois Lane (intro); Evelyn Curry; Bea Carroll (villain); Butch Matson (villain); Senator Barrows (villain); Alex Greer (villain) |
| 4 | The A-G Gang | comic story | 6 | script: Homer Fleming; pencils: Homer Fleming; inks: Homer Fleming | Charles "Chuck" Dawson (intro); Uncle Dan; Notch Logan; John Burwell; Trigger Holt; Butch; Blacky (Chuck's horse) |
| 5 | The Mystery of the Freight Train Robberies | comic story | 12 | script: Fred Guardineer; pencils: Fred Guardineer; inks: Fred Guardineer; letters: Fred Guardineer | Zatara (intro); Tong (intro); Detective Brady (dies); Detective Brown; Captain Kennedy; Train Inspector Babcock; Monk; the Tigress (villain) |
| 6 | South Sea Strategy [Part 1] | text story | 2 | script: Vin Sullivan | Bret Coleman; Cottonball; Samuel Newton; Aruba (boat) |
| 7 | Sticky-Mitt Stimson | comic story | 4 | script: Alger; pencils: Alger; inks: Alger; letters: Russell Cole | Sticky-Mitt Stimson |
| 8 | - | comic story | 4 | pencils: Sven Elvén; inks: Sven Elvén; letters: Sven Elvén | Marco Polo; Signor Polo; Niku |
| 9 | The Light Heavyweight Championship | comic story | 4 | script: Gardner Fox, Fred Guardineer; pencils: Fred Guardineer; inks: Fred Guardineer; letters: Fred Guardineer | Pep Morgan; Sailor Sorenson; Pop Burkett; Doc Lowry; Boomerang; O'Rourke |
| 10 | The International Jewel Thief | comic story | 6 | script: Will Ely; pencils: Will Ely; inks: Will Ely | Scoop Scanlon; Rusty; Arnold |
| 11 | Murder in England | comic story | 12 | script: Ken Fitch, Bernard Baily; pencils: Bernard Baily; inks: Bernard Baily; letters: Bernard Baily | Tex Thomson (intro, later Mr. America [in #33], later Americommando [in #54]); Bobby; Sonja; Monk; Betty; Sergeant Smith |
| 12 | - | cartoon | 1 | script: ? [as the Star-Gazer]; pencils: ? [as the Star-Gazer] | |