| Issue | #25 |
| Published | July 1943 |
| Cover Price | 0.10 USD |
| Pages | 60 |
| Editing | Malcolm Reiss |
| Genre | science fiction |
| Pencils | Dan Zolnerowich (signed) |
| Inks | Dan Zolnerowich (signed) |
| Characters | Mars, God of War; Villains: Atlasso; Sapienso; Roger Carlton (intro, death of all three); Calla Carlton (intro); Don (intro) |
| Genre | science fiction |
| Script | ? [as Ross Gallun] |
| Pencils | Joe Doolin |
| Inks | Joe Doolin |
| Characters | Reef Ryan; Villains: Freda; Barda (death); Guest Star: Tabess of Xalan |
| Genre | science fiction |
| Script | ? [as Hugh Fitzhugh] |
| Pencils | Lee Elias (signed) |
| Inks | Lee Elias (signed) |
| Notes | This is the last solo Reef Ryan story. |
| Characters | Star Pirate; Dr. Conro (intro); Zarta Conro (intro); Tommy (intro); Villains: The Drogans (intro) |
| Genre | science fiction |
| Script | ? [as George Vincent] |
| Pencils | George Appel (signed) |
| Inks | George Appel (signed) |
| Characters | Villains: The Voltamen |
| Genre | science fiction |
| Script | ? [as Thorncliffe Herrick] |
| Pencils | Graham Ingels |
| Inks | Graham Ingels |
| Notes | This appears to be a severely edited episode of The Lost World that was cut down (due to the loss of eight pages this issue?) into a war-stamp promo (believe it or not!). |
| Characters | Auro Lord of Jupiter; Villains: The Yasgadorians (intro); the Yasgadorian leader (intro; death) |
| Genre | science fiction |
| Script | ? [as Dick Charles] |
| Pencils | Rafael Astarita |
| Inks | Rafael Astarita |
| Colors | ? (Mike Okamoto?) |
| Reprinted | in Planet Comics (Pacific Comics, 1984 series) #1 |
| Genre | science fiction |
| Script | ? [as Prof. Theobald Parker] |
| Pencils | Fran Deitrick (signed) |
| Inks | Fran Deitrick (signed) |
| Letters | typeset |
| Characters | Gale Allen; The Girl Squadron; Robon (intro); Villains: The Jelly Creatures (intro; death) |
| Genre | science fiction |
| Script | ? [as Douglas McKee] |
| Pencils | Lee Elias (signed) |
| Inks | Lee Elias (signed) |
| Characters | Norge Benson; Guest Stars: Jolie; Professor Stellar (intro); Villains: The Moon Mountaineers (intro) |
| Genre | science fiction |
| Script | ? [as Olaf Bjorn] |
| Pencils | Fran Deitrick (signed) |
| Inks | Fran Deitrick (signed) |
| Characters | Flint Baker; Tanna (intro); Villains: The ape men (intro; death) |
| Genre | science fiction |
| Script | ? [as George Myles] |
| Pencils | Joe Doolin |
| Inks | Joe Doolin |
| Notes | The story title is taken from the cover blurb. This is the last solo Flint Baker story. |