- Script:
- ?
- Pencils:
- Henry Kiefer
- Inks:
- Henry Kiefer
- Colors:
- ?
- Letters:
- ?
- Genre:
- science fiction
- Characters:
- The Rock Men of Jupiter (villains, introduction); Mary Joyce (introduction)
The cover blurb specifically lists the Spurt Hammond story as "Pre-Historic Beasts of Pluto." Go figure.
- Script:
- ? [as Bob Jordan]
- Pencils:
- Henry Fletcher
- Inks:
- Henry Fletcher
- Colors:
- ?
- Letters:
- ?
- Genre:
- science fiction
- Characters:
- Lepus the Fiend (villain, introduction, death)
Oddly, the Buzz Crandall feature is listed on the cover as "Revolt of the Rock-Men," a title more apt for the Spurt Hammond story.
- Script:
- ? [as Starr Gayza]
- Pencils:
- Arthur Peddy
- Inks:
- Arthur Peddy
- Colors:
- ?
- Letters:
- ?
- Genre:
- science fiction
- Characters:
- A Martian Cyclops (villain, introduction, death)
The story title is taken from the cover blurb.