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Theme: The Unknown
59 fantasy books in our catalogue wrestle with the theme of the unknown. Sort by newest or highest-rated below. Every title is rated for content, with age recommendations and trigger warnings.
59 books
Indigo
RAdult 18+
Beware, the Snowman
PGMiddle Grade 8-12
Monster Blood IV
PGMiddle Grade 8-12
Egg Monsters from Mars
PGMiddle Grade 8-12
seaQuest DSV: The Ancient
PG-13Adult 18+
Valley of the Eels
PGMiddle Grade 8-12
Ghost Behind Me
PGMiddle Grade 8-12
Snowman
RAdult 18+
Devil Country
PG-13Adult 18+
A Watcher in the Woods
PGMiddle Grade 8-12
them
PG-13YA 12-17
When the World Screamed
PGAdult 18+
The Terror
Hard RAdult 18+
Breakthrough
PGAdult 18+
Mission to Universe
PG-13Adult 18+
Rogue Moon
PG-13Adult 18+
The house of souls
PG-13Adult 18+
A stable for nightmares
PG-13Adult 18+
Vingt mille lieues sous les mers
PGMiddle Grade 8-12
Voyage au Centre de la Terre
PGMiddle Grade 8-12
Shadows of Carcosa: Tales of Cosmic Horror by Lovecraft, Chambers, Machen, Poe, and Other Masters ofthe Weird
PG-13Adult 18+
The Literary Fantasy Magazine: Spring 2026
PG-13Adult 18+
The Writings of H.P. Lovecraft: Volume I
PG-13Adult 18+
Rex Dexter and the Ares: Into the Abyss
PGAdult 18+
Splash: A Dragon Soul Press Anthology
PG-13YA 12-17
Where the Sun Goes to Die (The Chronicles of Jonathan Crowley)
RAdult 18+
The Second Wish and Other Exhalations
RAdult 18+
The white people and other weird stories
PG-13Adult 18+
Occultation
Hard RAdult 18+
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