([August] 2012)

DC, 2012 Series
Published in English (United States) United States
 
Price
39.99 USD; 46.99 CAD
Pages
328
On-sale Date
2012-06-20
Indicia / Colophon Publisher
DC Comics
Brand
DC [peel]
ISBN
978-1-4012-3474-4 Search at WorldCat
Barcode
9781401234744 53999
Editing
Scott Nybakken (Editor); Rick Keane (black and white reconstruction); Jamison (color reconstruction); Jack Schiff (original editor)
Color
Color
Dimensions
Standard Modern Age US
Binding
Hardcover with Dustjacket
Publishing Format
Collected Edition

Issue Notes

Credits are from contents page listings and indicia information. Credits do not include colorists nor letterers and are supplemented with data from original publications. There is considerable speculation about the credits in the indexing of the original publications.

Additional credits include Black and white reconstruction on selected interior pages by Rick Keene, cover (dustjacket?) color by Alex Sinclair and color reconstruction on interior pages by Jamison.
Parts of this issue are reprinted:

(Table of Contents)

(report information)

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

Challengers of the Unknown / insert or dust jacket / 0 pages (report information)

Pencils
Jack Kirby
Inks
Jack Kirby
Colors
Alex Sinclair

Characters
Challengers of the Unknown
Reprints

[no title indexed] (Table of Contents: 2)

Challengers of the Unknown / cover / 2 pages (report information)

Script
?
Pencils
Jack Kirby
Inks
Jack Kirby
Colors
?
Letters
?

First Line of Dialogue or Text
Goodbye Challengers!
Genre
adventure
Characters
Challengers of the Unknown

Indexer Notes

A portion of the cover from Challengers of the Unknown #4 was enlarged and wraps the boards.

[no title indexed] (Table of Contents: 3)

blank page(s) / 6 pages (report information)

Indexer Notes

Blue endpapers and inside boards

Challengers of the Unknown by Jack Kirby (Table of Contents: 4)

credits, title page / 3 pages (report information)

Script
?
Pencils
Jack Kirby
Inks
?
Colors
?
Letters
?

Genre
adventure
Characters
Challengers of the Unknown

Indexer Notes

General book credits are included on the third title page. Enlargement of characters or scenes used as backgrounds.

Table of Contents (Table of Contents: 5)

table of contents / 2 pages (report information)

Script
?
Pencils
Jack Kirby
Inks
?
Colors
?
Letters
?

Genre
adventure
Characters
Challengers of the Unknown

Indexer Notes

Story credits are listed. There is an error in the contents page numbering, page 121 should be page 138. Enlargement of characters or scenes used a background.

[no title indexed] (Table of Contents: 6)

credits, title page / 1 page (report information)

Script
?
Pencils
Jack Kirby
Inks
?
Colors
?
Letters
typeset

Genre
adventure
Characters
Challengers of the Unknown

Indexer Notes

Indicia credits Jack Schiff as Editor - Original Series. Additional credits include Black and white reconstruction on selected interior pages by Rick Keene and cover color by Alex Sinclair. Enlargement of characters or scenes used a backgound.

Introduction (Table of Contents: 7)

foreword, introduction, preface, afterword / 3 pages (report information)

Script
Paul Kupperberg
Pencils
Jack Kirby
Inks
?
Colors
?
Letters
?; typeset

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Indexer Notes

Enlargement of characters or scenes used a backgound.

? (Table of Contents: 8)

illustration / 1 page (report information)

Script
?
Pencils
Jack Kirby
Inks
?
Colors
?

Genre
adventure
Characters
Challengers of the Unknown

Indexer Notes

Enlargement of Ace Morgan character used as backgound.

[no title indexed] (Table of Contents: 9)

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

Script
?
Pencils
Jack Kirby
Inks
Jack Kirby
Colors
?; Jamison (color reconstruction)
Letters
?
Editing
Jack Schiff

First Line of Dialogue or Text
Great Scott
Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Secrets of the Sorcerer's Box! [Chapter 1] (Table of Contents: 10)

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

Script
Dave Wood
Pencils
Jack Kirby
Inks
Roz Kirby; Marvin Stein
Colors
?; Jamison (color reconstruction)
Letters
Ben Oda
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Chapter Two: Dragon Seed! (Table of Contents: 11)

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

Script
Dave Wood
Pencils
Jack Kirby
Inks
Roz Kirby; Marvin Stein
Colors
?; Jamison (color reconstruction)
Letters
Ben Oda
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Chapter Three: The Freezing Sun! (Table of Contents: 12)

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

Script
Dave Wood
Pencils
Jack Kirby
Inks
Roz Kirby; Marvin Stein
Colors
?; Jamison (color reconstruction)
Letters
Ben Oda
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Chapter Four: The Whirling Weaver! (Table of Contents: 13)

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

Script
Dave Wood
Pencils
Jack Kirby
Inks
Roz Kirby; Marvin Stein
Colors
?; Jamison (color reconstruction)
Letters
Ben Oda
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

[ULTIVAC Is Loose!] (Table of Contents: 14)

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

Script
?
Pencils
Jack Kirby
Inks
Jack Kirby
Colors
?; Jamison (color reconstruction)
Letters
Ira Schnapp ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

ULTIVAC Is Loose! [Chapter One] (Table of Contents: 15)

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

Script
Dave Wood
Pencils
Jack Kirby
Inks
Roz Kirby; Marvin Stein
Colors
?; Jamison (color reconstruction)
Letters
Stan Starkman ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Chapter Two: A Challenger Must Die! (Table of Contents: 16)

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

Script
Dave Wood
Pencils
Jack Kirby
Inks
Roz Kirby; Marvin Stein
Colors
?; Jamison (color reconstruction)
Letters
Stan Starkman ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Chapter Three: The Fearful Millions (Table of Contents: 17)

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

Script
Dave Wood
Pencils
Jack Kirby
Inks
Roz Kirby; Marvin Stein
Colors
?; Jamison (color reconstruction)
Letters
Stan Starkman ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Chapter Four: The Fatal Prediction! (Table of Contents: 18)

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

Script
Dave Wood
Pencils
Jack Kirby
Inks
Roz Kirby; Marvin Stein
Colors
?; Jamison (color reconstruction)
Letters
Stan Starkman ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Day the Earth Blew Up! (Table of Contents: 19)

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

Script
?
Pencils
Jack Kirby
Inks
Jack Kirby
Colors
?; Jamison (color reconstruction)
Letters
Ira Schnapp ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Day the Earth Blew Up [Chapter One] (Table of Contents: 20)

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

Script
Dave Wood
Pencils
Jack Kirby
Inks
Bruno Premiani
Colors
?; Jamison (color reconstruction)
Letters
Pat Gordon ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Chapter Two: The Tyrans (Table of Contents: 21)

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

Script
Dave Wood
Pencils
Jack Kirby
Inks
Bruno Premiani
Colors
?; Jamison (color reconstruction)
Letters
Pat Gordon ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Chapter Three: The Thing That Came Out of the Sea (Table of Contents: 22)

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

Script
Dave Wood
Pencils
Jack Kirby
Inks
Bruno Premiani
Colors
?; Jamison (color reconstruction)
Letters
Pat Gordon ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Chapter Four: One Minute to Doom (Table of Contents: 23)

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

Script
Dave Wood
Pencils
Jack Kirby
Inks
Bruno Premiani
Colors
?; Jamison (color reconstruction)
Letters
Pat Gordon ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Menace of the Ancient Vials! (Table of Contents: 24)

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

Script
?
Pencils
Jack Kirby
Inks
Jack Kirby
Colors
?; Jamison (color reconstruction)
Letters
Ira Schnapp
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Menace of the Ancient Vials! Chapter 1 (Table of Contents: 25)

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

Script
Dave Wood
Pencils
Jack Kirby
Inks
Goerge Klein
Colors
?; Jamison (color reconstruction)
Letters
Artie Simek
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Chapter Two: The Fire Being! (Table of Contents: 26)

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

Script
Dave Wood
Pencils
Jack Kirby
Inks
Goerge Klein
Colors
?; Jamison (color reconstruction)
Letters
Artie Simek
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Chapter 3: The Demon from the Depths (Table of Contents: 27)

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

Script
Dave Wood
Pencils
Jack Kirby
Inks
Goerge Klein
Colors
?; Jamison (color reconstruction)
Letters
Artie Simek
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Chapter 4: The Deadly Duplicates! (Table of Contents: 28)

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

Script
Dave Wood
Pencils
Jack Kirby
Inks
Goerge Klein
Colors
?; Jamison (color reconstruction)
Letters
Artie Simek
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Human Pets! (Table of Contents: 29)

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

Script
?
Pencils
Jack Kirby
Inks
Marvin Stein
Colors
?; Jamison (color reconstruction)
Letters
Ira Schnapp
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

[These are men of reckless courage...] (Table of Contents: 30)

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

Script
Jack Kirby
Pencils
Jack Kirby
Inks
Marvin Stein
Colors
?; Jamison (color reconstruction)
Letters
?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Man Who Tampered with Infinity (Table of Contents: 31)

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

Script
Jack Kirby
Pencils
Jack Kirby
Inks
Marvin Stein
Colors
?; Jamison (color reconstruction)
Letters
Pat Gordon ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Human Pets (Table of Contents: 32)

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

Script
Jack Kirby
Pencils
Jack Kirby
Inks
Marvin Stein
Colors
?; Jamison (color reconstruction)
Letters
Pat Gordon ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Monster Maker! (Table of Contents: 33)

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

Script
?
Pencils
Jack Kirby
Inks
Marvin Stein
Colors
?; Jamison (color reconstruction)
Letters
Ira Schnapp
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Traitorous Challenger (Table of Contents: 34)

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

Script
Jack Kirby
Pencils
Jack Kirby
Inks
Marvin Stein
Colors
?; Jamison (color reconstruction)
Letters
Pat Gordon ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Monster Maker (Table of Contents: 35)

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

Script
Jack Kirby
Pencils
Jack Kirby
Inks
Marvin Stein
Colors
?; Jamison (color reconstruction)
Letters
Pat Gordon ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Invincible Challenger! (Table of Contents: 36)

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

Script
?
Pencils
Jack Kirby
Inks
Jack Kirby
Colors
?; Jamison (color reconstruction)
Letters
Ira Schnapp
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Secret of the Sorcerer's Mirror (Table of Contents: 37)

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

Script
Jack Kirby
Pencils
Jack Kirby
Inks
Roz Kirby; Marvin Stein
Colors
?; Jamison (color reconstruction)
Letters
Pat Gordon ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Menace of the Invincible Challenger (Table of Contents: 38)

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

Script
?
Pencils
Jack Kirby
Inks
Roz Kirby; Marvin Stein
Colors
?; Jamison (color reconstruction)
Letters
Pat Gordon ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Wizard of Time! (Table of Contents: 39)

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

Script
?
Pencils
Jack Kirby
Inks
Jack Kirby
Colors
?; Jamison (color reconstruction)
Letters
Ira Schnapp
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Wizard of Time, Chapter 1 (Table of Contents: 40)

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

Script
Jack Kirby
Pencils
Jack Kirby
Inks
Roz Kirby; Wally Wood
Colors
?; Jamison (color reconstruction)
Letters
Joe Letterese ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Chapter II: The Men Who Rode Across the Sun (Table of Contents: 41)

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

Script
Jack Kirby
Pencils
Jack Kirby
Inks
Roz Kirby; Wally Wood
Colors
?; Jamison (color reconstruction)
Letters
Joe Letterese ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Chapter III: The Sorcerer's Sect (Table of Contents: 42)

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

Script
Jack Kirby
Pencils
Jack Kirby
Inks
Roz Kirby; Wally Wood
Colors
?; Jamison (color reconstruction)
Letters
Joe Letterese ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Chapter IIII: The Mechanical Judge (Table of Contents: 43)

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

Script
Jack Kirby
Pencils
Jack Kirby
Inks
Roz Kirby; Wally Wood
Colors
?; Jamison (color reconstruction)
Letters
Joe Letterese ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Riddle of the Star-Stone! (Table of Contents: 44)

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

Script
?
Pencils
Jack Kirby
Inks
Jack Kirby
Colors
?; Jamison (color reconstruction)
Letters
Ira Schnapp
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Riddle of the Star-Stone, Chapter One (Table of Contents: 45)

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

Script
?
Pencils
Jack Kirby
Inks
Wally Wood
Colors
?; Jamison (color reconstruction)
Letters
Wally Wood ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Chapter Two: The Birdman of Djiizari! (Table of Contents: 46)

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

Script
?
Pencils
Jack Kirby
Inks
Wally Wood
Colors
?; Jamison (color reconstruction)
Letters
Wally Wood ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Chapter Three: The Challenge of the Super Creature! (Table of Contents: 47)

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

Script
?
Pencils
Jack Kirby
Inks
Wally Wood
Colors
?; Jamison (color reconstruction)
Letters
Wally Wood ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Sorcerers of Forbidden Valley! (Table of Contents: 48)

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

Script
?
Pencils
Jack Kirby
Inks
Jack Kirby
Colors
?; Jamison (color reconstruction)
Letters
Ira Schnapp
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Captives of the Space Circus (Table of Contents: 49)

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

Script
Dave Wood; Jack Kirby
Pencils
Jack Kirby
Inks
Wally Wood
Colors
?; Jamison (color reconstruction)
Letters
John Duffy ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Sorceress of Forbidden Valley (Table of Contents: 50)

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

Script
France "Ed" Heron; Jack Kirby
Pencils
Jack Kirby
Inks
Wally Wood
Colors
?; Jamison (color reconstruction)
Letters
Ray Holloway ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Isle of No Return! (Table of Contents: 51)

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

Script
?
Pencils
Jack Kirby
Inks
Jack Kirby
Colors
?; Jamison (color reconstruction)
Letters
Ira Schnapp
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Beasts from Planet 9 (Table of Contents: 52)

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

Script
France "Ed" Heron; Jack Kirby
Pencils
Jack Kirby
Inks
Wally Wood
Colors
?; Jamison (color reconstruction)
Letters
Joe Letterese ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Isle of No Return (Table of Contents: 53)

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

Script
France "Ed" Heron; Jack Kirby
Pencils
Jack Kirby
Inks
Wally Wood
Colors
?; Jamison (color reconstruction)
Letters
Joe Letterese ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Prisoners of Robot Planet! (Table of Contents: 54)

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

Script
?
Pencils
Jack Kirby
Inks
Wally Wood
Colors
?; Jamison (color reconstruction)
Letters
Ira Schnapp
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Man Who Stole the Future (Table of Contents: 55)

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

Script
Dave Wood; Jack Kirby
Pencils
Jack Kirby
Inks
Wally Wood
Colors
?; Jamison (color reconstruction)
Letters
Joe Letterese ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

The Prisoners of Robot Planet (Table of Contents: 56)

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

Script
?
Pencils
Jack Kirby
Inks
Wally Wood
Colors
?; Jamison (color reconstruction)
Letters
Joe Letterese ?
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Afterword (Table of Contents: 57)

foreword, introduction, preface, afterword / 3 pages (report information)

Script
John Morrow
Pencils
Jack Kirby
Inks
?
Colors
?
Letters
?; typeset
Editing
Jack Schiff

Genre
adventure
Characters
Challengers of the Unknown
Reprints

Indexer Notes

Enlargement of characters or scenes used a backgound.

[no title indexed] (Table of Contents: 58)

illustration / 1 page (report information)

Pencils
Jack Kirby
Inks
?
Colors
?
Editing
Jack Schiff

First Line of Dialogue or Text
Another Monstrous Creature...
Genre
adventure
Characters
Challengers of the Unknown

Indexer Notes

Enlargement of the monstrous creature from the cover of Showcase #12 used as background.

Editing
Related Scans
Table of Contents
  1. 1. [Menace of the Ancient Vials!]
    Challengers of the Unknown
  2. 2. ["Goodbye Challengers!"]
    Challengers of the Unknown
  3. 3. [no title indexed]
  4. 4. Challengers of the Unknown by Jack Kirby
  5. 5. Table of Contents
  6. 6. [no title indexed]
  7. 7. Introduction
  8. 8. ?
  9. 9. ["Great Scott"]
    Challengers of the Unknown
  10. 10. The Secrets of the Sorcerer's Box! [Chapter 1]
    Challengers of the Unknown
  11. 11. Chapter Two: Dragon Seed!
    Challengers of the Unknown
  12. 12. Chapter Three: The Freezing Sun!
    Challengers of the Unknown
  13. 13. Chapter Four: The Whirling Weaver!
    Challengers of the Unknown
  14. 14. [ULTIVAC Is Loose!]
    Challengers of the Unknown
  15. 15. ULTIVAC Is Loose! [Chapter One]
    Challengers of the Unknown
  16. 16. Chapter Two: A Challenger Must Die!
    Challengers of the Unknown
  17. 17. Chapter Three: The Fearful Millions
    Challengers of the Unknown
  18. 18. Chapter Four: The Fatal Prediction!
    Challengers of the Unknown
  19. 19. The Day the Earth Blew Up!
    Challengers of the Unknown
  20. 20. The Day the Earth Blew Up [Chapter One]
    Challengers of the Unknown
  21. 21. Chapter Two: The Tyrans
    Challengers of the Unknown
  22. 22. Chapter Three: The Thing That Came Out of the Sea
    Challengers of the Unknown
  23. 23. Chapter Four: One Minute to Doom
    Challengers of the Unknown
  24. 24. Menace of the Ancient Vials!
    Challengers of the Unknown
  25. 25. The Menace of the Ancient Vials! Chapter 1
    Challengers of the Unknown
  26. 26. Chapter Two: The Fire Being!
    Challengers of the Unknown
  27. 27. Chapter 3: The Demon from the Depths
    Challengers of the Unknown
  28. 28. Chapter 4: The Deadly Duplicates!
    Challengers of the Unknown
  29. 29. The Human Pets!
    Challengers of the Unknown
  30. 30. [These are men of reckless courage...]
    Challengers of the Unknown
  31. 31. The Man Who Tampered with Infinity
    Challengers of the Unknown
  32. 32. The Human Pets
    Challengers of the Unknown
  33. 33. The Monster Maker!
    Challengers of the Unknown
  34. 34. The Traitorous Challenger
    Challengers of the Unknown
  35. 35. The Monster Maker
    Challengers of the Unknown
  36. 36. The Invincible Challenger!
    Challengers of the Unknown
  37. 37. The Secret of the Sorcerer's Mirror
    Challengers of the Unknown
  38. 38. The Menace of the Invincible Challenger
    Challengers of the Unknown
  39. 39. The Wizard of Time!
    Challengers of the Unknown
  40. 40. The Wizard of Time, Chapter 1
    Challengers of the Unknown
  41. 41. Chapter II: The Men Who Rode Across the Sun
    Challengers of the Unknown
  42. 42. Chapter III: The Sorcerer's Sect
    Challengers of the Unknown
  43. 43. Chapter IIII: The Mechanical Judge
    Challengers of the Unknown
  44. 44. Riddle of the Star-Stone!
    Challengers of the Unknown
  45. 45. The Riddle of the Star-Stone, Chapter One
    Challengers of the Unknown
  46. 46. Chapter Two: The Birdman of Djiizari!
    Challengers of the Unknown
  47. 47. Chapter Three: The Challenge of the Super Creature!
    Challengers of the Unknown
  48. 48. The Sorcerers of Forbidden Valley!
    Challengers of the Unknown
  49. 49. Captives of the Space Circus
    Challengers of the Unknown
  50. 50. The Sorceress of Forbidden Valley
    Challengers of the Unknown
  51. 51. The Isle of No Return!
    Challengers of the Unknown
  52. 52. The Beasts from Planet 9
    Challengers of the Unknown
  53. 53. The Isle of No Return
    Challengers of the Unknown
  54. 54. Prisoners of Robot Planet!
    Challengers of the Unknown
  55. 55. The Man Who Stole the Future
    Challengers of the Unknown
  56. 56. The Prisoners of Robot Planet
    Challengers of the Unknown
  57. 57. Afterword
  58. 58. ["Another Monstrous Creature..."]
This issue was most recently modified by:
  • Jim Van Dore
  • Steve Coates
  • Jim Stangas
  • Kauldi Gilibert