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Challengers of the Unknown #13 cover
Cover: Bob Brown

Challengers of the Unknown #13

Apr 1960 · DC · 0.10 USD
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In "The Prisoner of the Tiny Space Ball," the Challengers of the Unknown join June and Dr. Henry in their quest for the Golden Fleece, only to find Rocky suddenly overwhelmed by its power. As mythical creatures emerge from the shadows—dragon, cyclops, and mermaid—the team must unravel the mystery of the fleece’s strange influence before it consumes Rocky completely. Written by Dave Wood and illustrated with bold precision by Bob Brown, this 1960 DC classic features cover art by Bob Brown, capturing the eerie wonder of a world where legend bleeds into reality.

Contains 3 stories
The Prisoner of the Tiny Space Ball
12 pp · Adventure, Superhero
Challengers of the Unknown [Ace MorganRocky DavisProf HaleyRed Ryan]ZannaVrabaBenrunAk-SeliansDakyabDakyab's gang

In "The Prisoner of the Tiny Space Ball," the Challengers of the Unknown encounter Zanna, the exiled former ruler of the planet Ak-Sel, after he’s been shrunk and cast into space by the rebel leader Dakyah. When the team journeys to Ak-Sel to help him reclaim his throne, they join his underground resistance in an extinct volcano and face a daring assault that leads to a high-stakes battle on a floating island. The story unfolds with the Challengers using their ingenuity and courage to turn the tide, as Zanna’s forces prepare to confront the tyrant who overthrew him.

Untitled Humor story
0.67 pp · Humor
Dr. Floogle
The Creatures from the Past
13 pp · Adventure, Superhero
Challengers of the Unknown [Ace MorganRocky DavisProf HaleyRed Ryan]June RobbinsDr. Henrya cyclopsa centaura dragon

In "The Creatures from the Past," the Challengers of the Unknown join June and Dr. Henry in their quest for the Golden Fleece, only to find that its power awakens ancient mythical beings—starting with a dragon that vanishes as suddenly as it appeared. When Rocky, now mysteriously linked to the fleece, begins summoning creatures like a cyclops and a mermaid, the team must unravel the source of the magic before the past consumes them all.

ComicBooks.com Value

Our Model is In Beta
Raw (VG) $11
CGC 9.4 · 1 in census $554*
CGC 9.2 · 2 in census $321*
CGC 9.0 none in existence
CGC 8.5 · 1 in census $149*
CGC 8.0 · 4 in census $115*
CGC 7.5 · 2 in census $91*
Show all 15 grades
CGC 7.0 · 1 in census $77*
CGC 6.5 · 1 in census $64*
CGC 6.0 none in existence
CGC 5.5 none in existence
CGC 5.0 none in existence
CGC 4.5 · 2 in census $36*
CGC 4.0 none in existence
CGC 3.5 · 1 in census $30*
CGC 3.0 · 1 in census $30*
* estimate — limited direct-sales data at this grade
Our model’s value — refined as new sales data arrives · CGC census counts shown where available

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Full credits

writer Dave Wood
letterer Stan Starkman
artist, inker Bob Brown
cover pencils, inks Bob Brown

Reprints

Reprinted in All Favourites Comic #20 (1960), Big Boss #58 (1961), Showcase Presents Challengers of the Unknown #1 (2006), Titanes Planetarios #116

Key issues in Challengers of the Unknown

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