([October] 2006)

DC, 2006 Series
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Volume
1
Price
16.99 USD; 22.99 CAD
Pages
548
On-sale date
2006-10-18
Indicia / Colophon Publisher
DC Comics
Brand
DC [swirl]
ISBN
?
Barcode
?
Editing
Whitney Ellsworth (original editor); Jack Schiff (original editor); Bob Joy (editor collected edition)
Color
Color Cover; Black & White Interior
Dimensions
6.5" x 10"
Paper Stock
Glossy cardstock cover; Newsprint interior
Binding
Softcover
Publishing Format
Collected Edition

Issue Notes

Many of the credits given in this volume have been corrected, using the GCD and other sources.


[no title indexed] (Table of Contents)

Challengers of the Unknown / cover / 1 page (report information)

Pencils
Jack Kirby
Inks
?
Colors
Alex Sinclair
Letters
typeset

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Table of Contents (Table of Contents: 1)

table of contents / 3 pages (report information)

Script
?
Letters
typeset

[Showcase #6] (Table of Contents: 2)

Challengers of the Unknown / cover reprint (on interior page) / 1 page (report information)

Script
?
Pencils
Jack Kirby
Inks
Jack Kirby
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Secret of the Sorcerer's Box! [Chapter 1] (Table of Contents: 3)

Challengers of the Unknown / comic story / 6 pages (report information)

Script
Jack Kirby (plot, script); Dave Wood (script rewrite)
Pencils
Jack Kirby
Inks
Jack Kirby?; Roz Kirby
Letters
Ben Oda

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Dragon Seed! [Chapter Two] (Table of Contents: 4)

Challengers of the Unknown / comic story / 6 pages (report information)

Script
Jack Kirby (plot, script); Dave Wood (script rewrite)
Pencils
Jack Kirby
Inks
Jack Kirby?; Roz Kirby
Letters
Ben Oda

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Freezing Sun! [Chapter Three] (Table of Contents: 5)

Challengers of the Unknown / comic story / 6 pages (report information)

Script
Jack Kirby (plot, script); Dave Wood (script rewrite)
Pencils
Jack Kirby
Inks
Jack Kirby?; Roz Kirby
Letters
Ben Oda

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Whirling Weaver! [Chapter Four] (Table of Contents: 6)

Challengers of the Unknown / comic story / 6 pages (report information)

Script
Jack Kirby (plot, script); Dave Wood (script rewrite)
Pencils
Jack Kirby
Inks
Jack Kirby?; Roz Kirby
Letters
Ben Oda

Genre
adventure
Characters
Challengers of the Unknown
Reprints

[Showcase #7] (Table of Contents: 7)

Challengers of the Unknown / cover reprint (on interior page) / 1 page (report information)

Script
?
Pencils
Jack Kirby
Inks
Jack Kirby
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Ultivac is Loose! (Table of Contents: 8)

Challengers of the Unknown / comic story / 6 pages (report information)

Script
Dave Wood
Pencils
Jack Kirby
Inks
Jack Kirby?; Roz Kirby
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

A Challenger Must Die! [Chapter Two] (Table of Contents: 9)

Challengers of the Unknown / comic story / 6 pages (report information)

Script
Dave Wood
Pencils
Jack Kirby
Inks
Jack Kirby?; Roz Kirby
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Fearful Millions [Chapter Three] (Table of Contents: 10)

Challengers of the Unknown / comic story / 6 pages (report information)

Script
Dave Wood
Pencils
Jack Kirby
Inks
Jack Kirby?; Roz Kirby
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Fatal Prediction! [Chapter Four] (Table of Contents: 11)

Challengers of the Unknown / comic story / 6 pages (report information)

Script
Dave Wood
Pencils
Jack Kirby
Inks
Jack Kirby?; Roz Kirby
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

[Showcase #11] (Table of Contents: 12)

Challengers of the Unknown / cover reprint (on interior page) / 1 page (report information)

Script
?
Pencils
Jack Kirby
Inks
Jack Kirby
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Day the Earth Blew Up (Table of Contents: 13)

Challengers of the Unknown / comic story / 7 pages (report information)

Script
Dave Wood
Pencils
Jack Kirby
Inks
Bruno Premiani
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Tyrans [Chapter Two] (Table of Contents: 14)

Challengers of the Unknown / comic story / 6 pages (report information)

Script
Dave Wood
Pencils
Jack Kirby
Inks
Bruno Premiani
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Thing That Came Out of the Sea [Chapter Three] (Table of Contents: 15)

Challengers of the Unknown / comic story / 6 pages (report information)

Script
Dave Wood
Pencils
Jack Kirby
Inks
Bruno Premiani
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

One Minute to Doom [Chapter Four] (Table of Contents: 16)

Challengers of the Unknown / comic story / 5 pages (report information)

Script
Dave Wood
Pencils
Jack Kirby
Inks
Bruno Premiani
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

[Showcase #12] (Table of Contents: 17)

Challengers of the Unknown / cover reprint (on interior page) / 1 page (report information)

Script
?
Pencils
Jack Kirby
Inks
Marvin Stein?
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Menace of the Ancient Vials! [Chapter 1] (Table of Contents: 18)

Challengers of the Unknown / comic story / 6 pages (report information)

Script
Dave Wood
Pencils
Jack Kirby
Inks
George Klein
Letters
Artie Simek

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Fire Being! [Chapter Two] (Table of Contents: 19)

Challengers of the Unknown / comic story / 6 pages (report information)

Script
Dave Wood
Pencils
Jack Kirby
Inks
George Klein
Letters
Artie Simek

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Demon from the Depths [Chapter 3] (Table of Contents: 20)

Challengers of the Unknown / comic story / 6 pages (report information)

Script
Dave Wood
Pencils
Jack Kirby
Inks
George Klein
Letters
Artie Simek

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Deadly Duplicates! [Chapter 4] (Table of Contents: 21)

Challengers of the Unknown / comic story / 6 pages (report information)

Script
Dave Wood
Pencils
Jack Kirby
Inks
George Klein
Letters
Artie Simek

Genre
adventure
Characters
Challengers of the Unknown
Reprints

[Challengers of the Unknown #1] (Table of Contents: 22)

Challengers of the Unknown / cover reprint (on interior page) / 1 page (report information)

Script
?
Pencils
Jack Kirby
Inks
Jack Kirby
Letters
?

Genre
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Characters
Challengers of the Unknown
Reprints

[introduction page] (Table of Contents: 23)

Challengers of the Unknown / comic story / 1 page (report information)

Script
?
Pencils
Jack Kirby
Inks
Marvin Stein ?
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Man Who Tampered with Infinity (Table of Contents: 24)

Challengers of the Unknown / comic story / 14 pages (report information)

Script
Jack Kirby
Pencils
Jack Kirby
Inks
Jack Kirby?; Roz Kirby
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Human Pets (Table of Contents: 25)

Challengers of the Unknown / comic story / 10 pages (report information)

Script
Jack Kirby
Pencils
Jack Kirby
Inks
Jack Kirby?; Roz Kirby
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

[Challengers of the Unknown #2] (Table of Contents: 26)

Challengers of the Unknown / cover reprint (on interior page) / 1 page (report information)

Script
?
Pencils
Jack Kirby
Inks
Jack Kirby
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Traitorous Challenger (Table of Contents: 27)

Challengers of the Unknown / comic story / 10 pages (report information)

Script
Dave Wood?
Pencils
Jack Kirby
Inks
Jack Kirby?; Roz Kirby
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Monster Maker (Table of Contents: 28)

Challengers of the Unknown / comic story / 14 pages (report information)

Script
Dave Wood
Pencils
Jack Kirby
Inks
Jack Kirby?; Roz Kirby
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

[Challengers of the Unknown #3] (Table of Contents: 29)

Challengers of the Unknown / cover reprint (on interior page) / 1 page (report information)

Script
?
Pencils
Jack Kirby
Inks
Jack Kirby; Roz Kirby
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Secret of the Sorcerer's Mirror (Table of Contents: 30)

Challengers of the Unknown / comic story / 12 pages (report information)

Script
Dave Wood?
Pencils
Jack Kirby
Inks
Jack Kirby?; Roz Kirby
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Menace of the Invincible Challenger (Table of Contents: 31)

Challengers of the Unknown / comic story / 12 pages (report information)

Script
Dave Wood?
Pencils
Jack Kirby
Inks
Jack Kirby?; Roz Kirby
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

[Challengers of the Unknown #4] (Table of Contents: 32)

Challengers of the Unknown / cover reprint (on interior page) / 1 page (report information)

Script
?
Pencils
Jack Kirby
Inks
Jack Kirby
Letters
?

Genre
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Characters
Challengers of the Unknown
Reprints

The Wizard of Time (Table of Contents: 33)

Challengers of the Unknown / comic story / 6 pages (report information)

Script
Jack Kirby
Pencils
Jack Kirby
Inks
Jack Kirby?; Roz Kirby; Wally Wood?
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Men Who Rode Across the Sun [Chapter II] (Table of Contents: 34)

Challengers of the Unknown / comic story / 5 pages (report information)

Script
Jack Kirby
Pencils
Jack Kirby
Inks
Jack Kirby?; Roz Kirby; Wally Wood?
Letters
?

Genre
adventure
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Challengers of the Unknown
Reprints

The Sorcerer's Sect [Chapter III] (Table of Contents: 35)

Challengers of the Unknown / comic story / 7 pages (report information)

Script
Jack Kirby
Pencils
Jack Kirby
Inks
Jack Kirby?; Roz Kirby; Wally Wood?
Letters
?

Genre
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Challengers of the Unknown
Reprints

The Mechanical Judge [Chapter IIII (sic)] (Table of Contents: 36)

Challengers of the Unknown / comic story / 7 pages (report information)

Script
Jack Kirby
Pencils
Jack Kirby
Inks
Jack Kirby?; Roz Kirby; Wally Wood?
Letters
?

Genre
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Characters
Challengers of the Unknown
Reprints

[Challengers of the Unknown #5] (Table of Contents: 37)

Challengers of the Unknown / cover reprint (on interior page) / 1 page (report information)

Script
?
Pencils
Jack Kirby
Inks
Jack Kirby
Letters
?

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Challengers of the Unknown
Reprints

The Riddle of the Star-Stone [Chapter One] (Table of Contents: 38)

Challengers of the Unknown / comic story / 8 pages (report information)

Script
?
Pencils
Jack Kirby
Inks
Wally Wood
Letters
?

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Challengers of the Unknown
Reprints

The Birdman of Djizari! [Chapter Two] (Table of Contents: 39)

Challengers of the Unknown / comic story / 8 pages (report information)

Script
?
Pencils
Jack Kirby
Inks
Wally Wood
Letters
?

Genre
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Characters
Challengers of the Unknown
Reprints

The Challenge of the Super Creature! (Table of Contents: 40)

Challengers of the Unknown / comic story / 9 pages (report information)

Script
?
Pencils
Jack Kirby
Inks
Wally Wood
Letters
?

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Challengers of the Unknown
Reprints

[Challengers of the Unknown #6] (Table of Contents: 41)

Challengers of the Unknown / cover reprint (on interior page) / 1 page (report information)

Script
?
Pencils
Jack Kirby
Inks
Jack Kirby
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Captives of the Space Circus (Table of Contents: 42)

Challengers of the Unknown / comic story / 15 pages (report information)

Script
Dave Wood; Jack Kirby
Pencils
Jack Kirby
Inks
Wally Wood
Letters
?

Genre
adventure
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Challengers of the Unknown
Reprints

The Sorceress of Forbidden Valley (Table of Contents: 43)

Challengers of the Unknown / comic story / 10 pages (report information)

Script
Ed (France) Herron; Jack Kirby
Pencils
Jack Kirby
Inks
Wally Wood
Letters
?

Genre
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Characters
Challengers of the Unknown
Reprints

[Challengers of the Unknown #7] (Table of Contents: 44)

Challengers of the Unknown / cover reprint (on interior page) / 1 page (report information)

Script
?
Pencils
Jack Kirby
Inks
Jack Kirby
Letters
?

Genre
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Characters
Challengers of the Unknown
Reprints

The Beasts from Planet 9 (Table of Contents: 45)

Challengers of the Unknown / comic story / 13 pages (report information)

Script
Jack Kirby; Ed (France) Herron
Pencils
Jack Kirby
Inks
Wally Wood
Letters
?

Genre
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Challengers of the Unknown
Reprints

The Isle of No Return (Table of Contents: 46)

Challengers of the Unknown / comic story / 12 pages (report information)

Script
Jack Kirby; Ed (France) Herron
Pencils
Jack Kirby
Inks
Wally Wood
Letters
?

Genre
adventure
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Challengers of the Unknown
Reprints

[Challengers of the Unknown #8] (Table of Contents: 47)

Challengers of the Unknown / cover reprint (on interior page) / 1 page (report information)

Script
?
Pencils
Jack Kirby
Inks
Wally Wood
Letters
?

Genre
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Challengers of the Unknown
Reprints

The Man Who Stole the Future (Table of Contents: 48)

Challengers of the Unknown / comic story / 12 pages (report information)

Script
Dave Wood; Jack Kirby
Pencils
Jack Kirby
Inks
Wally Wood
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Prisoners of the Robot Planet (Table of Contents: 49)

Challengers of the Unknown / comic story / 13 pages (report information)

Script
Jack Kirby?
Pencils
Jack Kirby
Inks
Wally Wood
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

[Challengers of the Unknown #9] (Table of Contents: 50)

Challengers of the Unknown / cover reprint (on interior page) / 1 page (report information)

Script
?
Pencils
Bob Brown
Inks
?
Letters
?

Genre
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Challengers of the Unknown
Reprints

The Men Who Lost Their Memories! (Table of Contents: 51)

Challengers of the Unknown / comic story / 10 pages (report information)

Script
France Ed Herron?
Pencils
Bob Brown
Inks
?
Letters
?

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Challengers of the Unknown
Reprints

The Plot to Destroy Earth! (Table of Contents: 52)

Challengers of the Unknown / comic story / 14 pages (report information)

Script
France Ed Herron?
Pencils
Bob Brown
Inks
Wally Wood?
Letters
?

Genre
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Challengers of the Unknown
Reprints

[Challengers of the Unknown #10] (Table of Contents: 53)

Challengers of the Unknown / cover reprint (on interior page) / 1 page (report information)

Script
?
Pencils
Bob Brown
Inks
Bob Brown
Letters
?

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Characters
Challengers of the Unknown
Reprints

The Cave-Man Beast (Table of Contents: 54)

Challengers of the Unknown / comic story / 12 pages (report information)

Script
France Ed Herron
Pencils
Bob Brown
Inks
Bob Brown
Letters
?

Genre
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Challengers of the Unknown
Reprints

The Four Faces of Doom (Table of Contents: 55)

Challengers of the Unknown / comic story / 13 pages (report information)

Script
Dave Wood?
Pencils
Bob Brown
Inks
Bob Brown
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

[Challengers of the Unknown #11] (Table of Contents: 56)

Challengers of the Unknown / cover reprint (on interior page) / 1 page (report information)

Script
?
Pencils
Bob Brown
Inks
Jack Adler (wash)
Letters
?

Genre
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Challengers of the Unknown
Reprints

The Creatures from the Forbidden World (Table of Contents: 57)

Challengers of the Unknown / comic story / 26 pages (report information)

Script
France Ed Herron?
Pencils
Bob Brown
Inks
Bob Brown
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

[Challengers of the Unknown #12] (Table of Contents: 58)

Challengers of the Unknown / cover reprint (on interior page) / 1 page (report information)

Script
?
Pencils
Bob Brown
Inks
Bob Brown
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Challenger from Outer Space (Table of Contents: 59)

Challengers of the Unknown / comic story / 12 pages (report information)

Script
France Ed Herron
Pencils
Bob Brown
Inks
Bob Brown
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Three Clues to Sorcery (Table of Contents: 60)

Challengers of the Unknown / comic story / 13 pages (report information)

Script
France Ed Herron?
Pencils
Bob Brown
Inks
Bob Brown
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

[Challengers of the Unknown #13] (Table of Contents: 61)

Challengers of the Unknown / cover reprint (on interior page) / 1 page (report information)

Script
?
Pencils
Bob Brown
Inks
?
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Prisoner of the Tiny Space Ball (Table of Contents: 62)

Challengers of the Unknown / comic story / 12 pages (report information)

Script
France Ed Herron
Pencils
Bob Brown
Inks
?
Letters
?

Genre
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Characters
Challengers of the Unknown
Reprints

The Creatures from the Past (Table of Contents: 63)

Challengers of the Unknown / comic story / 13 pages (report information)

Script
Dave Wood?
Pencils
Bob Brown
Inks
?
Letters
?

Genre
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Characters
Challengers of the Unknown
Reprints

[Challengers of the Unknown #14] (Table of Contents: 64)

Challengers of the Unknown / cover reprint (on interior page) / 1 page (report information)

Script
?
Pencils
Bob Brown
Inks
Bob Brown
Letters
?

Genre
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Challengers of the Unknown
Reprints

The Man Who Conquered the Challengers (Table of Contents: 65)

Challengers of the Unknown / comic story / 12 pages (report information)

Script
France Ed Herron
Pencils
Bob Brown
Inks
Bob Brown
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Captives of the Alien Beasts (Table of Contents: 66)

Challengers of the Unknown / comic story / 13 pages (report information)

Script
France Ed Herron?
Pencils
Bob Brown
Inks
Bob Brown
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

[Challengers of the Unknown #15] (Table of Contents: 67)

Challengers of the Unknown / cover reprint (on interior page) / 1 page (report information)

Script
?
Pencils
Bob Brown
Inks
Bob Brown
Letters
?

Genre
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Challengers of the Unknown
Reprints

The Return of Multi-Man (Table of Contents: 68)

Challengers of the Unknown / comic story / 12 pages (report information)

Script
France Ed Herron?
Pencils
Bob Brown
Inks
Bob Brown
Letters
?

Genre
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Challengers of the Unknown
Reprints

The Lady Giant and the Beast (Table of Contents: 69)

Challengers of the Unknown / comic story / 13 pages (report information)

Script
Dave Wood?
Pencils
Bob Brown
Inks
Bob Brown
Letters
?

Genre
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Characters
Challengers of the Unknown
Reprints

[Challengers of the Unknown #16] (Table of Contents: 70)

Challengers of the Unknown / cover reprint (on interior page) / 1 page (report information)

Script
?
Pencils
Bob Brown
Inks
?
Letters
?

Genre
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Challengers of the Unknown
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The Incredible Metal Creature (Table of Contents: 71)

Challengers of the Unknown / comic story / 12 pages (report information)

Script
France Ed Herron
Pencils
Bob Brown
Inks
?
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Prisoners of the Mirage World (Table of Contents: 72)

Challengers of the Unknown / comic story / 13 pages (report information)

Script
France Ed Herron?
Pencils
Bob Brown
Inks
?
Letters
?

Genre
adventure
Characters
Challengers of the Unknown
Reprints

[Challengers of the Unknown #17] (Table of Contents: 73)

Challengers of the Unknown / cover reprint (on interior page) / 1 page (report information)

Script
?
Pencils
Bob Brown
Inks
?
Letters
?

Genre
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Challengers of the Unknown
Reprints

The Genie Who Feared June (Table of Contents: 74)

Challengers of the Unknown / comic story / 12 pages (report information)

Script
George Kashdan?
Pencils
Bob Brown
Inks
?
Letters
?

Genre
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Challengers of the Unknown
Reprints

The Secret of the Space Capsules (Table of Contents: 75)

Challengers of the Unknown / comic story / 13 pages (report information)

Script
Dave Wood?
Pencils
Bob Brown
Inks
?
Letters
?

Genre
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Challengers of the Unknown
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Editing
Related Scans
Series Information
Table of Contents
  1. 0. [no title indexed]
    Challengers of the Unknown
  2. 1. Table of Contents
  3. 2. [Showcase #6]
    Challengers of the Unknown
  4. 3. The Secret of the Sorcerer's Box! [Chapter 1]
    Challengers of the Unknown
  5. 4. Dragon Seed! [Chapter Two]
    Challengers of the Unknown
  6. 5. The Freezing Sun! [Chapter Three]
    Challengers of the Unknown
  7. 6. The Whirling Weaver! [Chapter Four]
    Challengers of the Unknown
  8. 7. [Showcase #7]
    Challengers of the Unknown
  9. 8. Ultivac is Loose!
    Challengers of the Unknown
  10. 9. A Challenger Must Die! [Chapter Two]
    Challengers of the Unknown
  11. 10. The Fearful Millions [Chapter Three]
    Challengers of the Unknown
  12. 11. The Fatal Prediction! [Chapter Four]
    Challengers of the Unknown
  13. 12. [Showcase #11]
    Challengers of the Unknown
  14. 13. The Day the Earth Blew Up
    Challengers of the Unknown
  15. 14. The Tyrans [Chapter Two]
    Challengers of the Unknown
  16. 15. The Thing That Came Out of the Sea [Chapter Three]
    Challengers of the Unknown
  17. 16. One Minute to Doom [Chapter Four]
    Challengers of the Unknown
  18. 17. [Showcase #12]
    Challengers of the Unknown
  19. 18. The Menace of the Ancient Vials! [Chapter 1]
    Challengers of the Unknown
  20. 19. The Fire Being! [Chapter Two]
    Challengers of the Unknown
  21. 20. The Demon from the Depths [Chapter 3]
    Challengers of the Unknown
  22. 21. The Deadly Duplicates! [Chapter 4]
    Challengers of the Unknown
  23. 22. [Challengers of the Unknown #1]
    Challengers of the Unknown
  24. 23. [introduction page]
    Challengers of the Unknown
  25. 24. The Man Who Tampered with Infinity
    Challengers of the Unknown
  26. 25. The Human Pets
    Challengers of the Unknown
  27. 26. [Challengers of the Unknown #2]
    Challengers of the Unknown
  28. 27. The Traitorous Challenger
    Challengers of the Unknown
  29. 28. The Monster Maker
    Challengers of the Unknown
  30. 29. [Challengers of the Unknown #3]
    Challengers of the Unknown
  31. 30. The Secret of the Sorcerer's Mirror
    Challengers of the Unknown
  32. 31. The Menace of the Invincible Challenger
    Challengers of the Unknown
  33. 32. [Challengers of the Unknown #4]
    Challengers of the Unknown
  34. 33. The Wizard of Time
    Challengers of the Unknown
  35. 34. The Men Who Rode Across the Sun [Chapter II]
    Challengers of the Unknown
  36. 35. The Sorcerer's Sect [Chapter III]
    Challengers of the Unknown
  37. 36. The Mechanical Judge [Chapter IIII (sic)]
    Challengers of the Unknown
  38. 37. [Challengers of the Unknown #5]
    Challengers of the Unknown
  39. 38. The Riddle of the Star-Stone [Chapter One]
    Challengers of the Unknown
  40. 39. The Birdman of Djizari! [Chapter Two]
    Challengers of the Unknown
  41. 40. The Challenge of the Super Creature!
    Challengers of the Unknown
  42. 41. [Challengers of the Unknown #6]
    Challengers of the Unknown
  43. 42. Captives of the Space Circus
    Challengers of the Unknown
  44. 43. The Sorceress of Forbidden Valley
    Challengers of the Unknown
  45. 44. [Challengers of the Unknown #7]
    Challengers of the Unknown
  46. 45. The Beasts from Planet 9
    Challengers of the Unknown
  47. 46. The Isle of No Return
    Challengers of the Unknown
  48. 47. [Challengers of the Unknown #8]
    Challengers of the Unknown
  49. 48. The Man Who Stole the Future
    Challengers of the Unknown
  50. 49. The Prisoners of the Robot Planet
    Challengers of the Unknown
  51. 50. [Challengers of the Unknown #9]
    Challengers of the Unknown
  52. 51. The Men Who Lost Their Memories!
    Challengers of the Unknown
  53. 52. The Plot to Destroy Earth!
    Challengers of the Unknown
  54. 53. [Challengers of the Unknown #10]
    Challengers of the Unknown
  55. 54. The Cave-Man Beast
    Challengers of the Unknown
  56. 55. The Four Faces of Doom
    Challengers of the Unknown
  57. 56. [Challengers of the Unknown #11]
    Challengers of the Unknown
  58. 57. The Creatures from the Forbidden World
    Challengers of the Unknown
  59. 58. [Challengers of the Unknown #12]
    Challengers of the Unknown
  60. 59. The Challenger from Outer Space
    Challengers of the Unknown
  61. 60. The Three Clues to Sorcery
    Challengers of the Unknown
  62. 61. [Challengers of the Unknown #13]
    Challengers of the Unknown
  63. 62. The Prisoner of the Tiny Space Ball
    Challengers of the Unknown
  64. 63. The Creatures from the Past
    Challengers of the Unknown
  65. 64. [Challengers of the Unknown #14]
    Challengers of the Unknown
  66. 65. The Man Who Conquered the Challengers
    Challengers of the Unknown
  67. 66. Captives of the Alien Beasts
    Challengers of the Unknown
  68. 67. [Challengers of the Unknown #15]
    Challengers of the Unknown
  69. 68. The Return of Multi-Man
    Challengers of the Unknown
  70. 69. The Lady Giant and the Beast
    Challengers of the Unknown
  71. 70. [Challengers of the Unknown #16]
    Challengers of the Unknown
  72. 71. The Incredible Metal Creature
    Challengers of the Unknown
  73. 72. Prisoners of the Mirage World
    Challengers of the Unknown
  74. 73. [Challengers of the Unknown #17]
    Challengers of the Unknown
  75. 74. The Genie Who Feared June
    Challengers of the Unknown
  76. 75. The Secret of the Space Capsules
    Challengers of the Unknown
This issue was most recently modified by:
  • Ramon Schenk
  • Jim Van Dore
  • Katie
  • Nick Caputo
Issues in this series have been indexed by:
  • Ramon Schenk