- Script:
- Gardner Fox
- Pencils:
- Mike Sekowsky
- Inks:
- Bernard Sachs
- Colors:
- ?
- Letters:
- ?
- Genre:
- science fiction
- Characters:
- Captain Bill Martin; Cyresian scientists; Yann army personnel.
- Synopsis:
- Captain Bill Martin discovers a Cyresian on Mars and then assists the Cyresians to forstall an attack on them by the Yann.
Pencils and inks credits from Julius Schwartz's editorial records, provided to the GCD by DC Comics (2 February 2008)
- Script:
- ?
- Pencils:
- ?
- Inks:
- ?
- Colors:
- ?
- Letters:
- ?
- Genre:
- Fact
- Synopsis:
- Science information on mathematician and astronomer Leonard Euler accompanied by illustrations.
- Script:
- Otto Binder
- Pencils:
- Manny Stallman
- Inks:
- John Giunta
- Colors:
- ?
- Letters:
- ?
- Genre:
- science fiction
- Characters:
- Ken Carver; Intergalactic Surveying Bureau; Clygor (photo); Manu; Thorl; Karr-Vir
- Synopsis:
- In the 24th century, explorer Ken Carver is contacted by stranded explorer Karr-Vir from a reverse universe, and rescues him after a search on three other planets.
Pencils and inks credits from Julius Schwartz's editorial records, provided to the GCD by DC Comics (2 February 2008)
- Script:
- Jack Schiff
- Pencils:
- Bernard Baily
- Inks:
- Bernard Baily
- Colors:
- ?
- Letters:
- Ira Schnapp
- Genre:
- fact
- Characters:
- Fred; Jimmy; baseball coach
- Synopsis:
- Fred finds that there are other ways to participate in his favorite activity of baseball, despite physical limitations or being rejected for the team.
Credits from a list by Lionel English via Donald Dale Milne.
- Script:
- Otto Binder
- Pencils:
- Frank Giacoia
- Inks:
- Frank Giacoia
- Colors:
- ?
- Letters:
- ?
- Genre:
- science fiction
- Synopsis:
- Lloyd Vincent recounts how he solved a mystery and prevented an alien from stealing earth from its orbit for a contest. Story hinges on the geography of King County, Maryland.
- Reprints: show reprint note before migration (migrated reprint links need inspection)
Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (April 2007).
- Script:
- ?
- Pencils:
- ?
- Inks:
- ?
- Colors:
- ?
- Letters:
- ?
- Genre:
- Fact
- Synopsis:
- Science information on unusual planetary satellites accompanied by illustrations.