- Script
- Bob Rozakis
- Pencils
- Alex Toth
- Inks
- Frank Giacoia
- Colors
- Carl Gafford
- Letters
- Milt Snapinn
- Editing
- Carl Gafford
- Job Number
- J-8285
- Genre
- adventure
- Characters
- Challengers of the Unknown [Ace Morgan; Rocky Davis; Professor Haley; Red Ryan]
- Synopsis
- Continued from last issue... The not-yet-Challengers hang in Rocky's apartment, reading and paying bills. Only Professor Haley frets about the jet sabotage. Ace wonders if he's the target. Red recounts how he was installing a radio tower in South America and almost killed by a dictator. Professor Haley recounts how he helped rescue a sunken statue. Professor Haley had inherited a fortune that cut his cousin Freddie out of the will. Professor Haley needs to talk to Freddie. But first, Red has something to confess... Continued.
An original adventure based on their origin in Showcase #6 and Challengers of the Unknown #31.
- Script
- Robert Bernstein
- Pencils
- George Papp
- Inks
- George Papp
- Colors
- Carl Gafford (reprint colorist)
- Letters
- Joe Letterese
- Editing
- Mort Weisinger (original story)
- Genre
- superhero
- Characters
- Superboy [also appears as Clark Kent]; Sun Boy (impostor); Tom Tanner; Legion of Super-Heroes [Cosmic Boy; Lightning Lad; Saturn Girl; Phantom Girl; Brainiac 5; Chameleon Boy; Sun Boy]; Lana Lang; Martha Kent; Chief Parker
- Synopsis
- Superboy meets new Legion member Sun Boy (who is later revealed to be an impostor). Meanwhile, reform school escapee Tom Tanner (a double for Clark Kent) tries to take over Clark's life in Smallville.
- Reprints
First appearance of Sun Boy; original story is partially rewritten from "The Two Clark Kents" in Adventure Comics #191 (August 1953). Reformatted to fill 14 full pages.
- Script
- Jerry Siegel
- Pencils
- Curt Swan
- Inks
- George Klein
- Colors
- Carl Gafford (reprint colorist)
- Letters
- Milt Snapinn
- Editing
- Mort Weisinger (original story)
- Genre
- superhero
- Characters
- Superboy [also appears as Clark Kent]; Legion of Super-Heroes [Lightning Lad; Cosmic Boy; Saturn Girl]; Legion of Super-Pets [Krypto, Streaky, Super-Monkey, Super-Horse]; Brain Globes of Rambat; Lana Lang; Martha Kent; Jonathan Kent; Jax-Ur; General Zod; Mon-El
- Synopsis
- Superboy is attacked by his friends in the Legion, under the evil influence of the Brain-Globes of Rambat. After the Legionnaires regain their senses, they gather four super-pets to defeat the Brain-Globes.
- Reprints
First appearance of Legion of Super-Pets; first appearance of Comet the Super-Horse.
- Script
- Gardner Fox
- Pencils
- Neal Adams
- Inks
- Neal Adams
- Colors
- Jerry Serpe (reprint colorist)
- Letters
- Gaspar Saladino
- Editing
- Julius Schwartz (original story)
- Genre
- superhero
- Characters
- Spectre [Jim Corrigan]; Dirk Rawley; Mona Marcy; Commissioner Hackett
- Synopsis
- The evil etheric body of magician Dirk Rawley emerges and forces him into crime.
- Reprints
The original page 12 (a half page) removed and the original page 23 reformatted to a full page so that the original story over 23 pages fits into 22 full pages.
- Script
- Carl Gafford ?
- Pencils
- Keith Giffen (signed as Giffen)
- Inks
- Romeo Tanghal (signed as Tanghal)
- Colors
- ?
- Letters
- Gaspar Saladino
- Genre
- superhero
- Characters
- Sandman [Wesley Dodds]; Sandy; Superboy; Sun Boy (impostor); Captain Marvel; Spectre; Aquaman
Back cover. Previews of the stories in the issue.