([October] 2006)

DC, 2006 Series
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Volume:
?
Price:
16.99 USD; 22.99 CAD
Pages:
548
Indicia frequency:
?
Indicia / Colophon Publisher:
?
Brand:
?
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"
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)

table of contents / 3 pages (report information)

Script:
?
Letters:
typeset

[Showcase #6] (Table of Contents)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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:

[introduction page] (Table of Contents)

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

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

Genre:
adventure
Characters:
Challengers of the Unknown
Reprints:

The Man Who Tampered with Infinity (Table of Contents)

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)

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)

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)

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)

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)

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)

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)

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)

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 Wizard of Time (Table of Contents)

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)

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
Characters:
Challengers of the Unknown
Reprints:

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

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:
adventure
Characters:
Challengers of the Unknown
Reprints:

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

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:
adventure
Characters:
Challengers of the Unknown
Reprints:

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

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

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

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

Genre:
adventure
Characters:
Challengers of the Unknown
Reprints:

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

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

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

Genre:
adventure
Characters:
Challengers of the Unknown
Reprints:

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

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

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

Genre:
adventure
Characters:
Challengers of the Unknown
Reprints:

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

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)

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

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

Genre:
adventure
Characters:
Challengers of the Unknown
Reprints:

The Sorceress of Forbidden Valley (Table of Contents)

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

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

Genre:
adventure
Characters:
Challengers of the Unknown
Reprints:

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

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 Beasts from Planet 9 (Table of Contents)

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

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

Genre:
adventure
Characters:
Challengers of the Unknown
Reprints:

The Isle of No Return (Table of Contents)

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
Characters:
Challengers of the Unknown
Reprints:

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

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

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

Genre:
adventure
Characters:
Challengers of the Unknown
Reprints:

The Man Who Stole the Future (Table of Contents)

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)

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)

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 Men Who Lost Their Memories! (Table of Contents)

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

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

Genre:
adventure
Characters:
Challengers of the Unknown
Reprints:

The Plot to Destroy Earth! (Table of Contents)

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

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

Genre:
adventure
Characters:
Challengers of the Unknown
Reprints:

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

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 Cave-Man Beast (Table of Contents)

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 Four Faces of Doom (Table of Contents)

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)

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

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

Genre:
adventure
Characters:
Challengers of the Unknown
Reprints:

The Creatures from the Forbidden World (Table of Contents)

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)

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)

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)

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)

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)

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:

The Creatures from the Past (Table of Contents)

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

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

Genre:
adventure
Characters:
Challengers of the Unknown
Reprints:

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

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 Man Who Conquered the Challengers (Table of Contents)

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)

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)

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 Return of Multi-Man (Table of Contents)

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 Lady Giant and the Beast (Table of Contents)

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 #16] (Table of Contents)

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 Incredible Metal Creature (Table of Contents)

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)

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)

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 Genie Who Feared June (Table of Contents)

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

Script:
George Kashdan?
Pencils:
Bob Brown
Inks:
?
Letters:
?

Genre:
adventure
Characters:
Challengers of the Unknown
Reprints:

The Secret of the Space Capsules (Table of Contents)

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

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

Genre:
adventure
Characters:
Challengers of the Unknown
Reprints:
Editing

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
Issues in this series have been indexed by:
  • Ramon Schenk