| 0 | - | cover | 1 | pencils: Joe Simon; inks: Joe Simon | Samson |
| 1 | Sanglor's Hypnotic Ray | comic story | 13 | pencils: Alex Blum; inks: Alex Blum | Samson; Sanglor (villain, introduction, death); Sir James Royce; Miss Royce; Joshua Huntington |
| 2 | Insect Men of Mercury | comic story | 6 | pencils: Don Rico; inks: Don Rico | Flip Falcon; The Insect Men and their Queen (villains, introduction, death for all) |
| 3 | The Hag of Blackamoor Forest | comic story | 8 | pencils: Grieg Chapian; inks: Grieg Chapian | Golden Knight [Sir Richard of Warwick]; Queen of Blackamoor (introduction); The Hag of Blackamoor (villain, introduction, death) |
| 4 | The Noxio Gas Plot | comic story | 6 | | Yank Wilson; Count La Roach (villain, introduction) |
| 5 | The Moon of Destruction | text story | 2 | script: Dana Tinari (signed); pencils: ? (illustrations); inks: ? (illustrations); colors: ? (illustrations); letters: typeset | |
| 6 | The Emperor of Ganymede | comic story | 5 | pencils: Hank Christy; inks: Hank Christy | Space Smith; Morosio (villain, introduction) |
| 7 | - | comic story | 6 | pencils: Bill Bossert, Dan Gormley; inks: Bill Bossert, Dan Gormley | Captain Kidd; Rose Wilder (introduction); The Great White Chief and his monsters (villain, introduction, death for all) |
| 8 | - | comic story | 2 | script: Fred Schwab; pencils: Fred Schwab; inks: Fred Schwab; letters: Fred Schwab | Professor Fiend |
| 9 | The Anti-Solar Ray | comic story | 7 | script: Fletcher Hanks; pencils: Fletcher Hanks; inks: Fletcher Hanks; letters: Fletcher Hanks | Stardust; Gyp Cliff (villain, introduction) |
| 10 | - | comic story | 7 | pencils: Henry Kiefer; inks: Henry Kiefer | Sub Saunders |