| 0 | The Warrior-Maid of Mercury | cover | 1 | pencils: Dan Zolnerowich; inks: Dan Zolnerowich | |
| 1 | 3 Smash Hits | promo (ad from the publisher) | 1 | | |
| 2 | The Warrior-Maid of Mercury | comic story | 10 | script: Ross Gallun; pencils: Joe Doolin; inks: Joe Doolin | Anton (villain, introduction); Prof. Stone (introduction); Dave Stone (introduction); Commander Telma (introduction); a hermit (introduction) |
| 3 | - | comic story | 8 | script: Hugh Fitzhugh; pencils: George Appel; inks: Al Gabriele | Vara (guest-star); Nepon (guest-star); Repul (villain); Mordas Krad (villain, introduction); King Aquara (introduction) |
| 4 | Our Solar System | illustration | 1 | | |
| 5 | - | comic story | 6 | script: Olaf Bjorn; pencils: Al Walker; inks: Al Walker | Prof. Squint (guest-star); The Gooleys (villains, introduction, death?); Presto (a penguin magician, introduction) |
| 6 | - | comic story | 7 | pencils: Seymour Reit; inks: Seymour Reit | Auro, Hardwich |
| 7 | Invisible People | text story | 1.67 | script: ? [as Bjorn Tagens]; letters: typeset | Blast Bragen |
| 8 | - | statement of ownership | 0.33 | script: T. T. Scott | |
| 9 | - | comic story | 8 | script: ? [as Al Schmidt] | Erik (villain, introduction, death); other Vikings (villains, introduction) |
| 10 | - | comic story | 6 | script: Douglas McKee; pencils: George Carl Wilhelms; inks: George Carl Wilhelms | Lura (a Girl Squadron member, introduction); Pocatl (villain, introduction, death) |
| 11 | The Graveyard of Space | comic story | 8 | script: ? [as Leonardo Vinci] | Dagara (villain); Ted (introduction); his father (introduction) |
| 12 | - | comic story | 8 | pencils: Saul Rosen; inks: Saul Rosen | Rasnel; Dolores Taylor; Rusty |
| 13 | The Big Six | promo (ad from the publisher) | 1 | letters: typeset | |