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Adventures into the Unknown #21 cover
Cover: Ken Bald
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Adventures into the Unknown #21

Jul 1951 · American Comics Group · 0.10 USD
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"Haunt from the Unknown" delivers a chilling early ghost story from 1951, where a murdered man’s spirit haunts a reporter, urging him to uncover the truth—despite a living impostor being used to cover up the crime. Penciled and inked by Pete Riss, the tale unfolds with eerie precision, blending suspense and supernatural dread. The cover, by Ken Bald, captures the story’s unsettling mood with striking, moody detail.

Contains 6 stories
Haunt from the Unknown
6 pp · Horror-Suspense
Guy JenningsBill WrightNancyClay Allison

When Guy Jennings arrives at a mental hospital claiming to be haunted by the ghost of his drowned business partner Clay Allison, the staff dismisses his visions as delusions—until the specter manifests in the ward itself. As night nurse Nancy keeps watch over the increasingly desperate patient, she becomes the unwilling target of Allison's vengeful spirit, trapped between a madman's grip and something far more sinister than any doctor's diagnosis.

The Portrait Without a Soul
9 pp · Horror-Suspense
Eric ChandlerFrancesProf. RovetPierre

Young artist Eric Chandler wins a prestigious Paris scholarship with a haunting portrait of a murderer—so realistic that the figure mysteriously vanishes from the canvas the very night he dreams of it. When he returns home to marry his sweetheart Frances, Chandler is horrified to discover the painting's subject has materialized as Pierre, the new butler, who seems to read his mind and possess his artistic gifts. As the sinister truth about his creation unfolds, Chandler finds himself caught in a nightmarish struggle with a being that exists between the painted and the real, seeking what it lacks most.

The Zombies Prowl
7 pp · Horror-Suspense
Eric HodgesJuanita

Eric Hodges ventures into Mexico's Teotihuacan pyramid convinced it shares a hidden connection with ancient Egyptian tombs—and his hunch proves terrifyingly correct when he and his colleague Juanita uncover an Egyptian burial chamber sealed within the Toltec structure. When they accidentally awaken an ancient high priest who has slept as one of the living dead for thousands of years, they must flee through a valley now swarming with zombie legions. The race becomes a desperate fight for survival against forces that bullets cannot stop.

The Mysterious Mr. Home
1 pp · Non-Fiction
Daniel Douglas HomeWilliam Crookes

Daniel Douglas Home, a Scottish-born figure of the 19th century, captivated audiences across two continents with seemingly impossible feats—from handling fire without injury to levitating furniture and even floating through mid-air windows high above the ground. When skeptical British scientists grew determined to explain his uncanny powers, they enlisted Sir William Crookes, one of the era's most brilliant physicists, to conduct rigorous tests in 1871. This account explores the mystery surrounding Home's extraordinary abilities and what science could—or couldn't—prove.

Journey into Madness
7 pp · Science Fiction
Martin FletcherProf. MottramBetty Rand

When paleontologist Martin Fletcher's radical reconstruction of a mysterious fossil convinces him that dinosaurs once roamed the Florida Everglades, he stakes his career on leading an expedition to prove it—only to find himself sabotaged by the jealous Prof. Mottram, who insists on leading the expedition himself. As Fletcher and his assistant Betty Rand venture deeper into the swamp searching for evidence, a sudden earthquake plunges them into a realm where prehistoric creatures still walk the Earth—and survival becomes far more urgent than vindication.

The Ghost Writer
9 pp · Horror-Suspense
Hank EvansHarold R. RandomMrs. ConwayJoe

In "The Ghost Writer," a reporter named Jo is haunted not by a specter, but by a voice from beyond—haunted by the desperate, persistent pleas of a murdered man whose spirit refuses to rest. As Jo digs into the case, the line between truth and deception blurs, with a living imposter playing the role of the dead, leaving Jo to question what really happened—and who is truly haunting him.

ComicBooks.com Value

Our Model is In Beta
Raw (Good) $29
CGC 9.6 · 1 in census $1,450
CGC 9.4 · 1 in census $992
CGC 9.2 · 3 in census $573
CGC 9.0 none in existence
CGC 8.5 none in existence
CGC 8.0 · 2 in census $215
Show all 21 grades
CGC 7.5 · 4 in census $185
CGC 7.0 · 1 in census $155*
CGC 6.5 · 3 in census $155
CGC 6.0 · 1 in census $110*
CGC 5.5 · 3 in census $92*
CGC 5.0 · 1 in census $87*
CGC 4.5 none in existence
CGC 4.0 · 2 in census $80
CGC 3.5 none in existence
CGC 3.0 · 1 in census $51*
CGC 2.5 · 1 in census $41*
CGC 2.0 none in existence
CGC 1.5 none in existence
CGC 1.0 none in existence
CGC 0.5 · 1 in census $20*
* 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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Cast · 8 characters

Full credits

artist, inker Pete Riss
cover pencils, inks Ken Bald

Reprints

Reprinted in Secrets of the Unknown #133 (1972), Sinister Tales #113 (1972), Sinister Tales #149 (1976), Secrets of the Unknown #216 (1983), Collected Works: Adventures into the Unknown #5 (2013), Crypt of Horror #31 (2016), Creepy Worlds #65, Secrets of the Unknown #65, Sinister Tales #48

Key issues in Adventures into the Unknown

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