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

Issue Details

Issue #2
Published June-July 1958
Cover Price 0.10 USD
Pages 36
Editing Jack Schiff
Notes Learn more about the Challs at www.challengersoftheunknown.com. Credits updated 10/06 by Bob Hughes. Previously inker listed as Marvin Stein. Per Stein's conversations with Greg Theakston, he did not ink any Challengers stories.

Cover Details - "The Monster Maker!"

Characters Challengers of the Unknown [Ace Morgan; Professor Haley; Red Ryan; Rocky Davis]
Genre Adventure
Pencils Jack Kirby
Inks Jack Kirby
Notes Learn more about the Challs at www.challengersoftheunknown.com. Credits updated 10/06 by Bob Hughes. Previously inker listed as Marvin Stein. Per Stein's conversations with Greg Theakston, he did not ink any Challengers stories.
Reprinted in Challengers of the Unknown Archives (DC, 2003 series) #1 (July 2003); in Showcase Presents Challengers of the Unknown (DC, 2006 series) #1

10 page Challengers of the Unknown story "The Traitorous Challenger"

Characters Challengers of the Unknown [Ace Morgan; Professor Haley; Red Ryan; Rocky Davis]; June Robbins (called June Walker); Digger Bill; An atomic beast
Synopsis A prospector uncovers a monster, an indestructible one-eyed walking box that tramples villages. The Challengers's weapons don't make a dent. And June mysteriously sabotages their efforts! Prof finally guesses the monster's one eye is solar-powered. Pursued until sunset, the monster expires. June had run a computer program that predicted the Challengers would die, hence her sabotage. But her efforts changed the equation, so she saved the day!
Genre Adventure
Script Dave Wood?
Pencils Jack Kirby
Inks Jack Kirby; Roz Kirby
Notes Learn more about the Challs at www.challengersoftheunknown.com.
Reprinted in Challengers of the Unknown (DC, 1958 series) #76; in Challengers of the Unknown Archives (DC, 2003 series) #1 (July 2003); in Showcase Presents Challengers of the Unknown (DC, 2006 series) #1

14 page Challengers of the Unknown story "The Monster Maker"

Characters Challengers of the Unknown [Ace Morgan; Professor Haley; Red Ryan; Rocky Davis]; Dr. Hascomb; Roc
Synopsis The Challengers pursue Roc, a would-be conqueror. Using "mind over matter", Roc runs them off by mentally conjuring a giant ape and missile. Fighting fire with fire, the scientist who created the mind-over-matter machine gives Ace similar powers. They battle with a conjured dragon, knight, giant vacuum cleaner, mirrors, and more. Finally Ace uses spinning circles to hypnotize and capture Roc.
Genre Adventure
Script Dave Wood
Pencils Jack Kirby
Inks Jack Kirby?; Roz Kirby (blacks)
Notes Learn more about the Challs at www.challengersoftheunknown.com. Credits updated 10/06 by Bob Hughes. Previously inker listed as Marvin Stein. Per Stein's conversations with Greg Theakston, he did not ink any Challengers stories.
Reprinted in Superman Presents World's Finest Comic Monthly (K. G. Murray, 1965 series) #111; in Challengers of the Unknown (DC, 1973 series) #79 (March-April 1973); in Challengers of the Unknown Archives (DC, 2003 series) #1 (July 2003); in SHOWCASE PRESENTS CHALLENGERS OF THE UNKNOWN (DC, 2006 series) #1

1 page filler "Headline Heroes"

Genre Fact
Pencils Alex Toth
Inks Alex Toth
Notes 1 page filler feature