- Script
- Gardner Fox [as Gardner F. Fox] (credited)
- Pencils
- Bob Oksner
- Inks
- Bernard Sachs
- Colors
- ?
- Letters
- ?
- Genre
- science fiction
- Characters
- Johnny Farrel; Ralph Gain; Ruth Gain
- Synopsis
- Scientist Ralph Gain invents a machine that can evolve animal subjects. His hoodlum friend, Johnny Farrel, accidentally kills him and uses the machine on himself, running up the evolutionary ladder until he finds himself devolved into a gorilla's form. He tries to convinced authorities that he is Gain but he slowly loses his mind and becomes a gorilla in thought as well as form.
- Keywords
- Cosmiray machine; evolution; gorillas
Writer and art credits confirmed from Julius Schwartz's editorial records, provided by DC Comics.
- Script
- Hi Mankin
- Pencils
- Hi Mankin
- Inks
- Hi Mankin
- Colors
- ?
- Letters
- ?
- First Line of Dialogue or Text
- $500.00 to Anyone Who Stays 2 Minutes with Battling Billy
- Genre
- humor; science fiction
- Synopsis
- A robot wins $500 in a wrestling contest but wants his winnings in gasoline.
- Reprints
- Keywords
- filling stations; robots; service stations; wrestling
Upper three quarters of the page between the R.C. Cola advertisement and the Nestlé's advertisement.
- Script
- John Broome (credited)
- Pencils
- Alex Toth
- Inks
- Bernard Sachs
- Colors
- ?
- Letters
- ?
- Genre
- science fiction
- Characters
- E-semex; Allyn Drake
- Synopsis
- In the far future, E-semex conceives a plan to defeat the Vegan invaders by warning people in the past.
- Keywords
- beta bomb; fighter plans; super-hydrogen bomb; Vegans
Writer and art credits confirmed from Julius Schwartz's editorial records, provided by DC Comics.
- Script
- ?
- Pencils
- Stookie Allen ?
- Inks
- Stookie Allen ?
- Colors
- ?
- Letters
- ?
- Genre
- non-fiction
- Characters
- Dennis Maloney; Edel Wasserman
- Synopsis
- A brief description of the work of two young scientists.
- Keywords
- atomic energy; fireflies; uranium
Lower half of the page between the Dubble Bubble advertisement and the Prof. Brainstorm filler.
- Script
- Hi Mankin
- Pencils
- Hi Mankin
- Inks
- Hi Mankin
- Colors
- ?
- Letters
- ?
- First Line of Dialogue or Text
- If I don't prove my time machine works, the university will dismiss me!
- Genre
- humor; science fiction
- Characters
- Prof. Brainstorm
- Synopsis
- Brainstorm travels to 1,000,000 BC to get proof that his time machine works.
- Reprints
- Keywords
- dinosaurs; eggs; time machines; time travel
On the upper 3/4 of the page between the Scien-test filler and the Wildroot Cream-Oil advertisement.
- Script
- John Broome [as Robert Starr] (credited)
- Pencils
- Jim Mooney
- Inks
- Ray Burnley
- Colors
- ?
- Letters
- ?
- Genre
- science fiction
- Characters
- Athor; Ilvra FL-24; the Machine; the Neos
- Synopsis
- In the year 8685, mankind is ruled by a supreme machine that provides for their every need. After a meeting with a Neo girl, Athon discovers that the rule of the Machine is not so benevolent and works to destroy it.
- Keywords
- machines
Writer and art credits confirmed from Julius Schwartz's editorial records, provided by DC Comics.
- Script
- Jack Schiff
- Pencils
- Win Mortimer
- Inks
- Win Mortimer
- Colors
- ?
- Letters
- ?
- Genre
- humor; advocacy; teen
- Characters
- Buzzy; Jeff
- Synopsis
- Buzzy convinces Jeff to discuss whatever is troubling him with the school counselor.
- Keywords
- basketball; counseling
- Script
- Julius Schwartz
- Pencils
- Morris Waldinger
- Inks
- Tommy Nicolosi
- Colors
- ?
- Letters
- typeset
- Genre
- non-fiction
- Synopsis
- Quizzes related to astronomy, geology, and physics.
- Script
- Mann Rubin [as Manny Rubin] (credited)
- Pencils
- Gil Kane
- Inks
- Frank Giacoia
- Colors
- ?
- Letters
- ?
- Genre
- science fiction
- Characters
- Bruce Karson; Elko; Curt Shaw
- Synopsis
- A hoax goes awry and Bruce Karson accidentally journeys to Venus, only to be accused of staging a hoax on his return.
- Keywords
- spacecraft; telepathy; teleportation; the Arctic; Venus
Writer and art credits confirmed from Julius Schwartz's editorial records, provided by DC Comics.