| 0 | - | cover | 1 | pencils: Gill Fox; inks: Gill Fox | The Black Condor, The Clock, Richard Grey, Jr. / Thomas Wright, Tom Hallaway, Molly Maloney, Brian O'Brien, The Spider |
| 1 | The Ghost-Gun Killer | comic story | 9 | pencils: Lou Fine; inks: Lou Fine | The Black Condor, Richard Grey, Jr. / Thomas Wright |
| 2 | - | comic story | 2 | script: John Devlin; pencils: John Devlin; inks: John Devlin | Molly Maloney |
| 3 | The Red Torpedo vs. the Black Shark | comic story | 5 | script: Henry Kiefer; pencils: Henry Kiefer; inks: Henry Kiefer | Jim Lockhart, The Red Torpedo |
| 4 | The Sabotaged Submarine | comic story | 5 | script: Fred Guardineer; pencils: Fred Guardineer; inks: Fred Guardineer | Jim Slade, Tor the Magic Master |
| 5 | The Tobacco Juice Spitter | comic story | 1 | script: Jack Cole; pencils: Jack Cole; inks: Jack Cole | |
| 6 | The Outlaws of Jupiter | comic story | 5 | script: Vern Henkel; pencils: Vern Henkel; inks: Vern Henkel | Captain Rock Braddon |
| 7 | - | comic story | 3 | script: Monte Barrett; pencils: Russell Ross; inks: Russell Ross | |
| 8 | - | comic story | 1 | script: Monte Barrett; pencils: Russell Ross; inks: Russell Ross | |
| 9 | Death at Rustling Willow | comic story | 6 | script: Paul Gustavson; pencils: Paul Gustavson; inks: Paul Gustavson; letters: Paul Gustavson | Tom Hallaway, The Spider |
| 10 | - | comic story | 4 | script: Bob Zuppke; pencils: Walt Depew; inks: Walt Depew | |
| 11 | The Phony Radio Beam | comic story | 6 | script: Al McWilliams; pencils: Al McWilliams; inks: Al McWilliams | Tex Adams, Spitfire First |
| 12 | Lake of Missing Men | text story | 2 | script: Larry Spain | Eric Vale |
| 13 | - | cartoon | 1 | script: Ed Reed; pencils: Ed Reed; inks: Ed Reed | |
| 14 | The Five Bloodstones of Mu | comic story | 5 | script: Art Pinajian; pencils: Art Pinajian; inks: Art Pinajian | Madam Fatal, Richard Stanton |
| 15 | - | comic story | 1 | script: Arthur Beeman; pencils: Arthur Beeman; inks: Arthur Beeman | |
| 16 | - | comic story | 1 | script: Rube Goldberg; pencils: Rube Goldberg; inks: Rube Goldberg | |
| 17 | The Revenge of Bat Nillon | comic story | 7 | script: George Brenner; pencils: George Brenner; inks: George Brenner | The Clock, Brian O'Brien |