Data courtesy of the Grand Comics Database under Creative Commons license.

Issue Details

Issue #89
Published June 1961
Cover Price 0.10 USD
Pages 36
Editing Mort Weisinger

Cover Details

Genre superhero
Pencils Curt Swan
Inks Stan Kaye

9 page Superboy story "Superboy's Big Brother! [Superboy's Big Brother!]"

Characters Superboy [Kal-El]; Mon-El [also as Bob Cobb]; Martha Kent; Jonathan Kent; Krypto (cameo); Jor-El (flashback); Lara (flashback)
Synopsis When a space ship crashes outside Smallville, Superboy finds an amnesiac super-powered youth who might be his older brother. He christens him Mon-El and sets him up with a secret identity, but he soon finds evidence that Mon-El is not in fact Kryptonian.
Genre superhero
Script Robert Bernstein
Pencils George Papp
Inks George Papp
Letters Joe Letterese
Notes Reworked from "Superman's Big Brother" in Superman (DC, 1939 series) #80. 1st appearance of Mon-El.
Reprinted in Superboy (DC, 1949 series) #129; in Adventure Comics (DC, 1938 series) #494; in Legion of Super-Heroes Archives, The (DC, 1991 series) #1; in Superman: Tales from the Phantom Zone (DC, 2009 series) #[nn]

Half page Ollie filler

Genre gag
Script Henry Boltinoff
Pencils Henry Boltinoff
Inks Henry Boltinoff
Letters Henry Boltinoff

10 page Superboy story "The Secret of Mon-El! [Superboy's Big Brother!]"

Characters Superboy; Mon-El [Bob Cobb] (origin); Martha Kent; Jonathan Kent; Lana Lang; Miss Joyce; King Mycerinua; Rhodopis; Jor-El (flashback); Lara (flashback); Phantom Zone
Synopsis Trying to prove Mon-El isn't actually Kryptonian, Superboy accidentally exposes him to lead, which both poisons him and returns his memory. He remembers that he is a space explorer from Daxam, who visited Krypton, meeting Jor-El and Lara, before arriving on Earth. To save his life, Superboy sends Mon-El into the Phantom Zone until he can cure him of his lead poisoning.
Genre superhero
Script Robert Bernstein
Pencils George Papp
Inks George Papp
Letters Joe Letterese
Reprinted in Superboy (DC, 1949 series) #129; in Adventure Comics (DC, 1938 series) #494; in Legion of Super-Heroes Archives, The (DC, 1991 series) #1; in Superman: Tales from the Phantom Zone (DC, 2009 series) #[nn]

Half page Ollie filler

Genre gag
Script Henry Boltinoff
Pencils Henry Boltinoff
Inks Henry Boltinoff
Letters Henry Boltinoff

8 page Superboy story "The Super-Cop of Smallville!"

Characters Superboy [Clark Kent]
Genre superhero
Script Jerry Siegel
Pencils Curt Swan
Inks Stan Kaye or George Klein?