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Mysteries of Unexplored Worlds #38 cover
Cover: Dick Giordano
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Mysteries of Unexplored Worlds #38

Oct 1963 · Charlton · 0.12 USD
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This issue contains two science fiction stories. "The Mud Monster" depicts a child's discovery of a sentient mud creature that has lain dormant for centuries; when rain awakens it, hunters and a man named Actus attempt to destroy the creature, but it is ultimately washed away by a storm. In the second story, Captain Troy's space exploration mission leads him to an uncharted planet where he discovers a race of human-like robots created in a laboratory; upon returning home six months later, he finds the planet destroyed, and realizes the robots were conditioned for space exploration, making him question his own humanity.

Contains 5 stories
The Ghost of Edgebrook House
6 pp · Drama

Wendy and Tod Barkley, newlyweds enchanted by the eerie charm of the supposedly haunted Edgebrook House, settle in with growing unease—especially after Wendy hears a ghostly voice calling her name. As strange occurrences mount, Tod uncovers a chilling diary revealing the house’s dark past, leading to a terrifying confrontation with the spirit of James Darvis, who believes Wendy is his lost wife Linda.

The Campfire Tale
4 pp · Science Fiction

Jo and Marie, newlyweds escaping a sweltering city, arrive at a remote Maine campsite on Spectre Lake, where their enigmatic host, Mr. Actus, begins telling unsettling ghost stories. As the night deepens, strange sounds ripple from the lake, and the guide Luis grows increasingly fearful—his eyes glowing in the firelight—while Mr. Actus reveals a chilling truth about the lake’s hidden inhabitants and his own otherworldly origins.

The Mud Monster
6 pp · Horror-Suspense

In a forgotten corner of a quiet farm, a young boy named Johnny builds a mud creature he calls "Mr. Mud Man," unaware that the ancient, alien essence within the soil is stirring once more. As night falls and thunder rolls, the dormant being from Earth’s primordial past begins to awaken, rising from the ground in a grotesque, living form.

The Memory Planet
7 pp · Science Fiction

Captain Bill Troy, a hardened space explorer shaped by years of rigorous training, lands on an uncharted planet that eerily mirrors his forgotten childhood—recreating vivid memories of his family and early life with startling clarity. As he witnesses scenes from his past that his conditioning had erased, he begins to question the cost of becoming a "new breed" of space-faring man. The planet’s strange ability to resurrect lost memories forces him to confront the emotional distance he’s built, leaving him unsettled and changed.

You and the Stars
1 pp · Science Fiction

In a quiet moment under the night sky, a lone observer spots a new star—just a flicker in the vastness—but its discovery hints at something greater, a sign that humanity’s reach into space is no longer just a dream. As the story reflects on the infinite stars and the possibility that someone, somewhere, might be looking back, the wonder of the cosmos feels suddenly personal.

ComicBooks.com Value

Our Model is In Beta
Raw (VG) $8
CGC 8.0 · 1 in census $52
CGC 7.5 · 1 in census $42
CGC 7.0 none in existence
CGC 6.5 none in existence
CGC 6.0 none in existence
CGC 5.5 · 1 in census $20
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CGC 5.0 · 1 in census $20
Our model’s value — refined as new sales data arrives · CGC census counts shown where available

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Full credits

writer Joe Gill
artist, inker Bill Molno
cover pencils, inks Dick Giordano

Reprints

↩ Reprints Sinister Tales #171 (1979)

Reprinted in Astounding Stories #5 (1963), Amazing Stories of Suspense #38 (1966), Astounding Stories #101 (1974), Sinister Tales #139 (1975), Uncanny Tales #120 (1976), Astounding Stories #132 (1978), Astounding Stories #163 (1982), Amazing Stories of Suspense #238 (1988), Sinister Tales #227 (1988), Astounding Stories #62, Sinister Tales #32, Sinister Tales #90, Uncanny Tales #5, Uncanny Tales #58

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