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Issue: Showcase Presents Challengers of the Unknown #2
Publication Date: June 2008
Previous Base Issue Previous Issue Variant
 
Disclose Detail
Issues: #2 of 2 Issues
Title:
Variant: unnamed
Rating:
Publisher: FlagDC
Brand: DC [swirl]View Brand Images2
Indicia Publisher: DC Comics
On Sale Date: 04/30/2008
Volume: 2
Pages: 532
ISBN: 9781401217259
UPC/EAN: 978140121725951699
Price: $19.99 CAD
$16.99 USD
Indicia Frequency: none
Content Items: 66 (41 stories, 1 cover)
Editor(s): Whitney Ellsworth (original editor); Jack Schiff (original editor); Murray Boltinoff (original editor); George Kashdan (original editor); Peter Hamboussi (collected edition)
Disclose Notes: Printed in Canada
  Does this data need corrections? Become an editor.
Disclose Format
Publication Type: Trade Paperback
Color: color covers; black and white Interiors
Dimensions: 6.5" x 10"
Paper Stock: glossy cardstock covers; newsprint interiors
Binding: trade paperback
Publishing Format: collected edition
Format Notes:  
Disclose Reprinted In0
There is currently no data for this Issue being reprinted anywhere.
Disclose Reprinted From62
reprinted 62 times from Content Items in other Issues.
Disclose Images1
Cover, Front
Original Artwork
Digital Edition
Adult Image
Title Page
Indicia on this Page
 
 
Assets0
 
spacer
Disclose Content Items (66 total)
Disclose Issue Images
[untitled]

Illustration  on  Cover, Front
Credits
Penciller(s): Bob Brown
Inker(s): Bob Brown
Colorist(s): Drew Moore
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Rocky; Prof; Red
Reprinting
From Content Item: FlagChallengers of the Unknown #18 published February 1961
was The Doomed World of Tomorrow! [Illustration on Cover, Front]
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose
Showcase Presents Challengers of the Unknown

Credits  on  Interior Page(s)
Credits
Writer(s): Peter Hamboussi
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): typeset
Subject Matter
Genres: informational
Synopsis: List of all DC personnel connected with the production of this volume.
Reprinting
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose
Table of Contents

Table of Contents  on  Interior Page(s)
Credits
Writer(s): Peter Hamboussi
Letterer(s): typeset
Subject Matter
Genres: informational
Reprinting
Reprint Notes:  
Miscellaneous
Pages: 3
Disclose
Challengers of the Unknown #18

Cover Reprint (on Interior Page)  on  Interior Page(s)
Credits
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Rocky; Prof
Reprinting
From Content Item: FlagChallengers of the Unknown #18 published February 1961
was The Doomed World of Tomorrow! [Illustration on Cover, Front]
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose
The Menace of Mystery Island

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): typeset
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky; June
Reprinting
From Content Item: FlagChallengers of the Unknown #18 published February 1961
was The Menace of Mystery Island [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 12.67
Disclose
The Doomed World of Tomorrow

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Prof; Rocky; Red
Reprinting
From Content Item: FlagChallengers of the Unknown #18 published February 1961
was The Doomed World of Tomorrow [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 12
Disclose
Challengers of the Unknown #19

Cover Reprint (on Interior Page)  on  Interior Page(s)
Credits
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #19 published April 1961
was The Beasts from the Fabulous Gem! [Illustration on Cover, Front]
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose
The Alien Who Stole a Planet

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #19 published April 1961
was The Alien Who Stole a Planet [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 12.67
Disclose
The Beasts from the Fabulous Gem

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #19 published April 1961
was The Beasts from the Fabulous Gem [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 12
Disclose
Challengers of the Unknown #20

Cover Reprint (on Interior Page)  on  Interior Page(s)
Credits
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Prof; Red; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #20 published June 1961
was The Cosmic-Powered Creatures! [Illustration on Cover, Front]
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose
Multi-Man Strikes Again

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Prof; Red; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #20 published June 1961
was Multi-Man Strikes Again [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 12.67
Disclose
The Cosmic-Powered Creature

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Reprinting
From Content Item: FlagChallengers of the Unknown #20 published June 1961
was The Cosmic-Powered Creature [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 11.67
Disclose
Challengers of the Unknown No. 21

Cover Reprint (on Interior Page)  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #21 published August 1961
was The Challengers' Space-Pet Ally! [Illustration on Cover, Front]
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose
THe Weird World That Didn't Exist

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #21 published August 1961
was The Weird World That Didn't Exist [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 11.67
Disclose
The Challengers' Space-Pet Ally

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky; June; Cosmo
Reprinting
From Content Item: FlagChallengers of the Unknown #21 published August 1961
was The Challengers' Space-Pet Ally [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 12.67
Disclose
Challengers of the Unknown No. 22

Cover Reprint (on Interior Page)  on  Interior Page(s)
Credits
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Reprinting
From Content Item: FlagChallengers of the Unknown #22 published October 1961
was The Thing in Challenger Mountain! [Illustration on Cover, Front]
Reprint Notes:  
Disclose
The Curse of the Golden God

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #22 published October 1961
was The Curse of the Golden God [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 11.67
Disclose
The Thing in Challenger Mountain

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #22 published October 1961
was The Thing in Challenger Mountain [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 12.67
Disclose
Challengers of the Unknown No. 23

Cover Reprint (on Interior Page)  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace, Red; June
Reprinting
From Content Item: FlagChallengers of the Unknown #23 published December 1961
was The Island in the Sky! [Illustration on Cover, Front]
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose
Death Guarded the Doom Box

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #23 published December 1961
was Death Guarded the Doom Box [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 11.67
Disclose
The Island in the Sky

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky; June
Reprinting
From Content Item: FlagChallengers of the Unknown #23 published December 1961
was The Island in the Sky [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 12.67
Disclose
Challengers of the Unknown No. 24

Cover Reprint (on Interior Page)  on  Interior Page(s)
Credits
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Rocky; June; Multi-Man
Reprinting
From Content Item: FlagChallengers of the Unknown #24 published February 1962
was Multi-Man, Master of Earth! [Illustration on Cover, Front]
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose
The Challengers Die at Dawn

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky; June
Reprinting
From Content Item: FlagChallengers of the Unknown #24 published February 1962
was The Challengers Die at Dawn [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 12.67
Disclose
Multi-Man, Master of Earth

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky; June; Multi-Man
Reprinting
From Content Item: FlagChallengers of the Unknown #24 published February 1962
was Multi-Man, Master of Earth! [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 11.67
Disclose
Challengers of the Unknown No. 25

Cover Reprint (on Interior Page)  on  Interior Page(s)
Credits
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Reprinting
From Content Item: FlagChallengers of the Unknown #25 published April 1962
was Captives of the Alien Hunter! [Illustration on Cover, Front]
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose
Return of the Invincible Pharaoh

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #25 published April 1962
was Return of the Invincible Pharaoh [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 11.67
Disclose
Captives of the Alien Hunter

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Rocky; Prof; June; Cosmo
Reprinting
From Content Item: FlagChallengers of the Unknown #25 published April 1962
was Captives of the Alien Hunter [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 12.67
Disclose
Challengers of the Unknown No. 26

Cover Reprint (on Interior Page)  on  Interior Page(s)
Credits
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Red; Rocky; June
Reprinting
From Content Item: FlagChallengers of the Unknown #26 published June 1962
was Secret of the Space Spectaculars! [Illustration on Cover, Front]
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose Notes: this reprint has the wrong date on the cover
Disclose
Death Crowns the Challenger King

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #26 published June 1962
was Death Crowns the Challenger King [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 11.67
Disclose
The Secret of the Space Spectaculars

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #26 published June 1962
was The Secret of the Space Spectaculars [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 12.67
Disclose
Challengers of the Unknown No. 27

Cover Reprint (on Interior Page)  on  Interior Page(s)
Credits
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #27 published August 1962
was Master of the Volcano Men! [Illustration on Cover, Front]
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose
The 1,001 Impossible Inventions

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Rocky; Prof
Reprinting
From Content Item: FlagChallengers of the Unknown #27 published August 1962
was The 1,001 Impossible Inventions [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 11.67
Disclose
Master of the Volcano Men

Story  on  Interior Page(s)
Credits
Writer(s): Arnold Drake
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky; Gruner
Reprinting
From Content Item: FlagChallengers of the Unknown #27 published August 1962
was Master of the Volcano Men [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 12.67
Disclose
Challengers of the Unknown No. 28

Cover Reprint (on Interior Page)  on  Interior Page(s)
Credits
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky; June
Reprinting
From Content Item: FlagChallengers of the Unknown #28 published October 1962
was The Riddle of the Faceless Man! [Illustration on Cover, Front]
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose
The Revolt of the Terrible FX-1

Story  on  Interior Page(s)
Credits
Writer(s): Arnold Drake
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #28 published October 1962
was The Revolt of the Terrible FX-1 [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 10.67
Disclose
The Riddle of the Faceless Man

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Rocky; Prof
Reprinting
From Content Item: FlagChallengers of the Unknown #28 published October 1962
was The Riddle of the Faceless Man [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 13.67
Disclose
Challengers of the Unknown No. 29

Cover Reprint (on Interior Page)  on  Interior Page(s)
Credits
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Rocky; Prof
Reprinting
From Content Item: FlagChallengers of the Unknown #29 published December 1962
was War Between the Challenger Teams! [Illustration on Cover, Front]
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose Notes: date on reprinted cover is incorrect
Disclose
Four Roads to Doomsday

Story  on  Interior Page(s)
Credits
Writer(s): Arnold Drake
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #29 published December 1962
was Four Roads to Doomsday [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 13.67
Disclose
The War between the Challenger Teams

Story  on  Interior Page(s)
Credits
Writer(s): France Ed Herron
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #29 published December 1962
was The War Between the Challenger Teams [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 10.67
Disclose
Challengers of the Unknown No. 30

Cover Reprint (on Interior Page)  on  Interior Page(s)
Credits
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Rocky; Multi-Man
Reprinting
From Content Item: FlagChallengers of the Unknown #30 published February 1963
was Multi-Man -- Villain Turned Hero! [Illustration on Cover, Front]
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose
Multi-Man...Villain Turned Hero

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky; Multi-Man
Reprinting
From Content Item: FlagChallengers of the Unknown #30 published February 1963
was Multi-Man... Villain Turned Hero [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 12.67
Disclose
The Fifth Challenger

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Rocky; Prof; June
Reprinting
From Content Item: FlagChallengers of the Unknown #30 published February 1963
was The Fifth Challenger [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 12.67
Disclose Notes: Some pages appear to have been pencilled by Ramona Fradon.
Disclose
Challengers of the Unknown No. 31

Cover Reprint (on Interior Page)  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #31 published April 1963
was The Man Who Saved the Challengers' Lives! [Illustration on Cover, Front]
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose
The Man Who Saved the Challengers' Lives

Story  on  Interior Page(s)
Credits
Writer(s): Arnold Drake ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky; Wilfred Clayton
Reprinting
From Content Item: FlagChallengers of the Unknown #31 published April 1963
was The Man Who Saved the Challenger's Lives, Chapter 1 [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 6.67
Disclose Notes: Part 1 of a 3-part story.
Disclose
The Secret from the Challengers' Past

Story  on  Interior Page(s)
Credits
Writer(s): Arnold Drake ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #31 published April 1963
was The Man Who Saved the Challenger's Lives, Chapter 1 [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 5.67
Disclose Notes: Part 2 of a 3-part story.
Disclose
The Warrior from 1,000 A.D.

Story  on  Interior Page(s)
Credits
Writer(s): Arnold Drake ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #31 published April 1963
was The Man Who Saved the Challenger's Lives, Chapter 1 [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 11.67
Disclose Notes: Part 3 of a 3-part story.
Disclose
Challengers of the Unknown No. 32

Cover Reprint (on Interior Page)  on  Interior Page(s)
Credits
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Rocky; Prof; Volcano Man
Reprinting
From Content Item: FlagChallengers of the Unknown #32 published June 1963
was One Challenger Must Die! [Illustration on Cover, Front]
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose
One Challenger Must Die!

Story  on  Interior Page(s)
Credits
Writer(s): Arnold Drake
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #32 published June 1963
was One Challenger Must Die! [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 9.67
Disclose
Cosmo Turns Traitor

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Chlalengers of the Unknown
Character(s): Ace; Red; Prof; Rocky; Cosmo
Reprinting
From Content Item: FlagChallengers of the Unknown #32 published June 1963
was Cosmo Turns Traitor [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 14.67
Disclose
Challengers of the Unknown No. 33

Cover Reprint (on Interior Page)  on  Interior Page(s)
Credits
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #33 published August 1963
was The Challengers Meet Their Master! [Illustration on Cover, Front]
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose
The Challengers Meet Their Master

Story  on  Interior Page(s)
Credits
Writer(s): Arnold Drake
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Reprinting
From Content Item: FlagChallengers of the Unknown #33 published August 1963
was The Challengers Meet Their Master [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 12.67
Disclose
The Threat of the "Trojan Robot"

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #33 published August 1963
was The Threat of the "Trojan Robot" [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 11.67
Disclose
Challengers of the Unknown No. 34

Cover Reprint (on Interior Page)  on  Interior Page(s)
Credits
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Rocky; Multi-Man; Multi-Woman
Reprinting
From Content Item: FlagChallengers of the Unknown #34 published October 1963
was Multi-Woman, Queen of Disaster! [Illustration on Cover, Front]
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose
Beachhead, U.S.A.

Story  on  Interior Page(s)
Credits
Writer(s): France Ed Herron
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #34 published October 1963
was Beachhead, U.S.A. [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 9.67
Disclose
Multi-Woman, Queen of Disaster

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Reprinting
From Content Item: FlagChallengers of the Unknown #34 published October 1963
was Multi-Woman, Queen of Disaster! Part 1 [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 14.67
Disclose
Challengers of the Unknown No. 35

Cover Reprint (on Interior Page)  on  Interior Page(s)
Credits
Penciller(s): Bob Brown
Inker(s): Bob Bron
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #35 published December 1963
was War Against the Moon-Beast! [Illustration on Cover, Front]
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose
The War against the Moon Beast

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #35 published December 1963
was War Against the Moon Beast [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 12.67
Disclose
Sons of the Challengers

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #35 published December 1963
was Sons of the Challengers [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 11.67
Disclose
Challengers of the Unknown No. 36

Cover Reprint (on Interior Page)  on  Interior Page(s)
Credits
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #36 published February 1964
was The Giant in Challenger Mountain! [Illustration on Cover, Front]
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose Notes: reprinted cover has incorrect date
Disclose
The Giant in Challenger Mountain

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #36 published February 1964
was The Giant in Challenger Mountain [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 11.67
Disclose
Bodyguards to a Star

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #36 published February 1964
was Bodyguards to a Star [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 12.67
Disclose
Challengers of the Unknown No. 37

Cover Reprint (on Interior Page)  on  Interior Page(s)
Credits
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #37 published April 1964
was Last Days of the Challengers! [Illustration on Cover, Front]
Reprint Notes:  
Miscellaneous
Pages: 1
Disclose
The Triple Terror of Mr. Dimension

Story  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #37 published April 1964
was The Triple Terror of Mr. Dimension [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 11.67
Disclose
The Last Days of the Challengers

Story  on  Interior Page(s)
Credits
Writer(s): France Ed Herron
Penciller(s): Bob Brown
Inker(s): Bob Brown
Letterer(s): ?
Subject Matter
Genres: adventure, science fiction
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Prof; Rocky
Reprinting
From Content Item: FlagChallengers of the Unknown #37 published April 1964
was The Last Days of the Challengers [Story on Interior Page(s)]
Reprint Notes:  
Miscellaneous
Pages: 12.67
Disclose
Showcase Presents

Promotional Material (from Publisher)  on  Interior Page(s)
Credits
Writer(s): ?
Penciller(s): Gil Kane; Curt Swan; Luis Dominguez; Carmine Infantino; Murphy Anderson; Jack Kirby; Russ Heath; Jim Aparo
Inker(s): Joe Giella; Stan Kaye; Ray Burnley; Luis DOminguez; Murphy Anderson; Russ Heath; Jim Aparo
Letterer(s): ?
Subject Matter
Genres: occult, science fiction, superhero, war, western
Feature(s): DC Comics
Character(s): Green Lantern; Superman; Brainiac; Titano; Jimmy Olsen; Lois Lane; Perry White; Jonah Hex; Batman; Robin; Wonder Woman; Martian Manhunter; Flash; Green Arrow; Elongated Man; Ace; Red; Prof; Rocky; Phantom Stranger
Synopsis: House ads for the first Showcase Presents volumes of Green Lantern, Superman, Superman Family, Jonah Hex, Batman, Justice League of America, Elongated Man, Challengers of the Unknown, Haunted Tank, Phantom Stranger, and Superman Volume 2.
Reprinting
Reprint Notes:  
Miscellaneous
Pages: 2
Disclose
Challengers of the Unknown Volume 2

Foreword, Introduction, Preface, Afterword  on  Interior Page(s)
Credits
Writer(s): Peter Hamboussi
Penciller(s): Jack Kirby; Carmine Infantino; Nick Cardy
Inker(s): ?; Joe Giella; Murphy Anderson; Nick Cardy
Colorist(s): Drew Moore
Letterer(s): typeset
Subject Matter
Genres: adventure, science fiction, superhero
Feature(s): Challengers of the Unknown
Character(s): Ace; Red; Rocky; Prof; Batman; Robin; Flash; Aqualad; Kid Flash; Wonder Girl
Synopsis: Afterword about the contents of this volume. Also cover repros of the lastest Showcase Presents volumes of Batman, Flash, House of Mystery and Teen Titans.
Reprinting
Reprint Notes:  
Miscellaneous
Pages: 1

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