| Issue | #57 |
| Published | November 1948 |
| Cover Price | 0.10 USD |
| Pages | 52 |
| Editing | J. F. Byrne (Managing Editor) |
| Notes | Despite the prominance of The Lost World blurb, this image does not relate to any interior story. |
| Genre | science fiction |
| Pencils | Joe Doolin |
| Inks | Joe Doolin |
| Notes | Despite the prominance of The Lost World blurb, this image does not relate to any interior story. |
| Characters | Marth (intro); the Jovians (intro); Villains: Voltamen |
| Genre | science fiction |
| Script | ? [as Thornecliffe Herrick] |
| Pencils | George Evans (signed) |
| Inks | George Evans (signed) |
| Characters | Futura [Marcia Reynolds]; Petra (intro); Villains: Omma; Yrina |
| Genre | science fiction |
| Script | ? [as John Douglas] |
| Pencils | Enrico Bagnoli |
| Inks | Enrico Bagnoli |
| Genre | science fiction |
| Script | ? [as Thornecliffe Herrick] |
| Letters | typeset |
| Characters | Auro Lord of Jupiter; Slizo (intro); Marva (intro); Mistress Suba (intro); Villain: Gotar (intro; dies) |
| Genre | science fiction |
| Script | ? [as Dick Charles] |
| Pencils | Graham Ingels |
| Inks | Graham Ingels |
| Notes | Page count reduced from 7 to 6 per Dean Brovold, December 2008. |
| Characters | The Space Rangers [Flint Baker; Reef Ryan]; Dr. Abitz (intro; dies); Villains: Jarvo (intro); Jara (intro; dies) |
| Genre | science fiction |
| Script | ? [as Hugh Fitzhugh] |
| Pencils | Frank Doyle (signed) |
| Inks | Frank Doyle (signed) |
| Genre | science fiction |
| Pencils | Frank Doyle? |
| Inks | Frank Doyle? |
| Characters | Star Pirate; Villain: Calgora (intro) |
| Genre | science fiction |
| Script | ? [as Len Dodson] |
| Pencils | Maurice Whitman (signed) |
| Inks | Maurice Whitman (signed) |
| Characters | Mysta of the Moon; Guest Star: Dirk Garro; Villains: Lor Vanning (intro; dies); Yar (intro; dies); mutants (intro; die) |
| Genre | science fiction |
| Script | ? [as Ross Gallun] |
| Pencils | Matt Baker |
| Inks | Ray Osrin? |
| Notes | Bottom half of last page is occupied by an ad. |