| 0 | - | cover | 1 | pencils: Gill Fox; inks: Gill Fox | The Clock [Brian O'Brien]; The Black Condor [Richard Grey, Jr.] (inset); The Spider [Tom Hallaway] (inset); Jane Arden (inset); Ned Brant (inset) |
| 1 | The Coming of Jasper Crow | comic story | 9 | pencils: Lou Fine; inks: Lou Fine | The Black Condor [Richard Grey, Jr., also as Senator Thomas Wright]; Senator Thomas Wright (introduction, death); Dr. Foster (introduction); Wendy Foster (Wright's daughter, introduction); Senator Jasper Crow (villain, introduction) |
| 2 | - | comic story | 2 | script: John Devlin; pencils: John Devlin; inks: John Devlin | |
| 3 | War of the Blondes and Brunettes | comic story | 5 | script: Vern Henkel; pencils: Vern Henkel; inks: Vern Henkel | Rock Braddon; Space Legion; Commander Crosby; Queen Luxor (villain, introduction); Queen Feros (villain, introduction) |
| 4 | Too Much Water | comic story | 5 | script: Harry Campbell; pencils: Henry Taylor; inks: Henry Taylor | Wizard Wells; Tug; Portner [Rentrop] (villain, introduction, death) |
| 5 | - | comic story | 1 | script: Rube Goldberg; pencils: Rube Goldberg; inks: Rube Goldberg | |
| 6 | The Spies on the Junk | comic story | 5 | script: Henry Kiefer; pencils: Henry Kiefer; inks: Henry Kiefer | The Red Torpedo [Jim Lockhart]; The Japanese (villains) |
| 7 | - | comic story | 2 | script: Monte Barrett; pencils: Russell Ross; inks: Russell Ross | |
| 8 | - | comic story | 2 | script: Monte Barrett; pencils: Russell Ross; inks: Russell Ross | |
| 9 | The Crickets Strike Again | comic story | 6 | script: Paul Gustavson; pencils: Paul Gustavson; inks: Paul Gustavson; letters: Paul Gustavson | The Spider [Tom Hallaway]; Baron Karl von Ernst (introduction, death); B-16 (villain, operative of the Crickets); The Big Cricket (villain); the Crickets (villains) |
| 10 | - | comic story | 4 | script: Bob Zuppke; pencils: Walt Depew; inks: Walt Depew | |
| 11 | Little Squirt Electric Milker | comic story | 1 | script: Jack Cole; pencils: Jack Cole; inks: Jack Cole | |
| 12 | The Drawings of Dwarf Rogan | comic story | 5 | script: Art Pinajian; pencils: Art Pinajian; inks: Art Pinajian | Madam Fatal [Richard Stanton]; Dwarf Rogan (villain, introduction, death) |
| 13 | How To Trap a Warden | text story | 2 | script: Larry Spain | Eric Vale |
| 14 | - | cartoon | 1 | script: Ed Reed; pencils: Ed Reed; inks: Ed Reed | |
| 15 | Sabotage! | comic story | 5 | script: Fred Guardineer; pencils: Fred Guardineer; inks: Fred Guardineer | Tor [Jimmy Slade]; Lucy Stone (Slade's colleague); Schneider Polekat (villain, introduction) |
| 16 | - | comic story | 2 | script: Arthur Beeman; pencils: Arthur Beeman; inks: Arthur Beeman | |
| 17 | The Case of Piggy Dorn | comic story | 7 | script: George Brenner; pencils: George Brenner; inks: George Brenner | The Clock [Brian O'Brien]; Pug; Piggy Dorn (villain, introduction); Homer Tweed (introduction) |