comicbooks.com Join Free
Secrets of the Unknown#18
Cover: John Severin

Secrets of the Unknown #18

· Alan Class · 1'- [0-1-0 GBP]
☆ Be the first to review + Add to your collection — Join free
Contains 16 stories
While the City Slumbers!
4 pp · Science Fiction

In "While the City Slumbers!", the molemen of San Francisco’s forgotten warrens rise in quiet fury, their underground world scarred by displacement. As tremors shake the city above and flames spread from the chaos, they retreat into the dark—believing the surface dwellers have turned on them, not knowing what truly sparked the disaster.

He Hides Among Us
4 pp · Science Fiction

In a quiet town where secrets run deep, a doctor raises a young man with a mysterious past, unaware that the truth lies closer than anyone suspects. When the young man begins breaking records, his rival digs into old files, only to be confronted with a startling revelation—his own forgotten origins. As the wedding day approaches, the doctor watches from the shadows, knowing the real secret isn't the boy’s alien heritage, but the girl who has always been the heart of it all.

Locked in the Silent Room
4 pp · Science Fiction
The First Man!
4 pp · Science Fiction

In "The First Man!", humanity's leap to the moon hinges on a network of orbital refueling stations—until a rocket crew discovers the moon isn't a lifeless rock, but an ancient, alien-built world. The revelation sends shockwaves through the mission, as the first human steps onto a surface that feels eerily deliberate, as if waiting.

The Deep Freeze
4 pp · Crime, Science Fiction

In "The Deep Freeze," three criminals attempt a daring escape by freezing themselves in suspended animation after stealing $150,000—only to wake up in 2156 to find their fortune is a hoax, and their crime has become a bizarre footnote in history. The cold truth of their theft, buried for centuries, is about to thaw in the most unexpected way.

The Man Who Went Too Far
4 pp · Science Fiction
The Voice in the Night
4 pp · Crime, Fantasy

In "The Voice in the Night," a man haunted by guilt after stealing a poor box finds his conscience manifesting as a haunting, ticking clock that accuses him of theft—its voice growing louder with every step he takes. The weight of his actions turns the quiet night into a labyrinth of sound, where every shadow seems to whisper judgment.

The Sea Serpent!
3 pp · Fantasy
The Mystery of the Missing Man
4 pp · Fantasy
The Beasts!
4 pp · Science Fiction
I Saw a Demon!
4 pp · Horror-Suspense

In "I Saw a Demon!", a scientist pushes the limits of his invention, using a device that captures sound waves in stone to play back echoes from an ancient temple. When the machine begins to replay a forgotten chant, the air grows heavy—and something from beyond the veil stirs in response.

How Harry Escaped
4 pp · Crime, Fantasy
The Victim!
4 pp · Crime, Science Fiction

In "The Victim!", a con artist finds himself unexpectedly snatched from Earth by an alien from Pluto, who needs to prove his transference device functions—no matter the cost. The twist? The man he’s been swindling all along might just be the one with the real power.

Stone Face!
4 pp · Fantasy
The Messenger!
4 pp · Science Fiction
Yvette
4 pp · Fantasy

ComicBooks.com Value

Our Model is In Beta
Valueinsufficient data
Our model’s value — refined as new sales data arrives · CGC census counts shown where available

Find on

Search eBay for Secrets of the Unknown #18
No confirmed live listings for this exact issue right now — this opens an eBay search.

Read it digitally

Amazon Kindle Buy the digital edition GlobalComix Indie & digital reader
Opens a search on each platform — digital availability varies by title.

Sell my copy

Have this issue — or a whole collection? Get a fair offer from us, skip the marketplace fees and the hassle.

We Buy Collections ▸
Fast, fair offers · we handle grading & shipping

Full credits

artist, inker Paul Reinman
cover pencils, inks John Severin

Reprints

↩ Reprints Journey into Mystery #4 (1952), Journey into Mystery #20 (1954), Journey into Mystery #23 (1955), Journey into Mystery #36 (1956), Journey into Mystery #37 (1956), Journey into Mystery #38 (1956), Journey into Mystery #40 (1956), Mystic #56 (1957)

Reviews

Reader reviews

No reader reviews yet.