| 0 | Slave Planet | cover | 1 | pencils: Charles Sultan; inks: Charles Sultan | Flint Baker |
| 1 | Bull's-Eye Bannon | promo (ad from the publisher) | 1 | letters: typeset | Bull's-Eye Bannon |
| 2 | Slave Planet | comic story | 11 | script: Herman Bolstein; pencils: Art Peddy; inks: Will Eisner, Art Peddy | Fletcher "Flint" Baker; Mimi Wilson; Parks (crew member); the Great Eye (villain, introduction, death?); the Great Ear (villain, introduction); the Great Mouth (villain, introduction); space monsters (villains, creatures, some die) |
| 3 | - | comic story | 6 | script: Herman Bolstein; pencils: Bob Powell, Sid Greene; inks: Bob Powell | Auro, Hardwich |
| 4 | - | comic story | 5 | script: Ken Jackson; pencils: Alex Blum, Dan Zolnerowich; inks: Dan Zolnerowich | The Red Comet; unnamed Earth explorers |
| 5 | - | comic story | 13 | pencils: Charles Sultan; inks: Charles Sultan | Captain Nelson Cole; Felon (villain) |
| 6 | Mist Men of Mercury | text story | 2 | pencils: Gene Fawcette | Kirk; Hoffer (scientist); the Mist Men |
| 7 | Space Islands of Destruction | comic story | 7 | pencils: Henry Kiefer; inks: Henry Kiefer | Spurt Hammond; Janice Dale (introduction); Mercurian pirates (villains, introduction for all) |
| 8 | - | comic story | 6 | script: ? [as Bob Jordan (byline)] | Lieutenant Buzz Crandall; Doctor Curan [aka Curran]; Sandra Curan (the doctor's daughter); Dr. Zynnon (villain, introduction, death) |
| 9 | Kenny Carr of the Martian Lancers | comic story | 4 | script: Stan Ford; pencils: Larry Antonette | Captain Kenny Carr (introduction); Dwight (Carr's service buddy); unnamed colonel; enemy soldiers (villains, half die) |
| 10 | - | comic story | 4 | pencils: Ray Burnley | Gale Allen and the Women's Space Battalion (introduction for all); Captain Jack North (Universal Space Patrol member, introduction); The Plutonians (villains, introduction for all, some die) |
| 11 | Space Facts | comic story | 0.75 | script: ? [by Lunar] (signed) | |
| 12 | Case 2....File-A....Clue 4 | comic story | 0.25 | pencils: Bob Powell; inks: Bob Powell | Bull's-Eye Bannon; Nora Earl (Dean's daughter-in-law); Clarence Dean (Earl's younger son); Miss Kane (a nurse) |
| 13 | The Strongest Man in the Universe | comic story | 5 | pencils: Alex Blum | Jim Giant (introduction); an unnamed dictator to be (villain, introduction) |
| 14 | - | promo (ad from the publisher) | 1 | pencils: various; inks: various; letters: typeset | |