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Theme: Forbidden Knowledge

98 fantasy books in our catalogue wrestle with the theme of forbidden knowledge. Sort by newest or highest-rated below. Every title is rated for content, with age recommendations and trigger warnings.

98 books
Newest firstMost popular
Mordenheim
Mordenheim
Chet Williamson
RAdult 18+
The Far Kingdoms
The Far Kingdoms
Allan Cole;Chris Bunch
PG-13Adult 18+
Into the Labyrinth
Into the Labyrinth
Tracy Hickman;Margaret Weis
RAdult 18+
The Book of the Mad
The Book of the Mad
Tanith Lee
Hard RAdult 18+
The Hellbound Heart
The Hellbound Heart
Clive Barker
PG-13Adult 18+
Nemesis
Nemesis
Louise Cooper
PG-13YA 12-17
The Fall of Atlantis
The Fall of Atlantis
Marion Zimmer Bradley
PG-13Adult 18+
The Alchemist
The Alchemist
Leslie H. Whitten
RAdult 18+
The Genesis Quest
The Genesis Quest
Donald Moffitt
PGAdult 18+
The Snares of Ibex
The Snares of Ibex
Jo Clayton
RAdult 18+
Such a Good Baby
Such a Good Baby
Ruby Jean Jensen
RAdult 18+
Dr. Nikola's Experiment
Dr. Nikola's Experiment
Guy Boothby
PG-13Adult 18+
The Masters of Solitude
The Masters of Solitude
Parke Godwin;Marvin Kaye
PG-13Adult 18+
The Second Experiment
The Second Experiment
Janet Asimov
PGAdult 18+
The Glass Painting
The Glass Painting
Victor J. Banis
RAdult 18+
The Glass Painting
The Glass Painting
Jan Alexander
RAdult 18+
Prince of Darkness
Prince of Darkness
Barbara Michaels
PG-13Adult 18+
X
X
Eunice Sudak
PG-13Adult 18+
The Jewel of the Seven Stars
The Jewel of the Seven Stars
Bram Stoker
PG-13Adult 18+
The Black Fox
The Black Fox
Gerald Heard
PG-13Adult 18+
The Lurker at the Threshold
The Lurker at the Threshold
H. P. Lovecraft;August Derleth
RAdult 18+
The King in Yellow
The King in Yellow
Robert W. Chambers
PG-13Adult 18+
School of Magic Omnibus
School of Magic Omnibus
Dante King
XAdult 18+
The Arkanists
The Arkanists
Morgan Harker
RNew Adult
The Sourdough Compendium: Dark and Dangerous Fairy Tales
The Sourdough Compendium: Dark and Dangerous Fairy Tales
A.G. Slatter
RAdult 18+
Dark Magic Academy: An Isekai Progression Fantasy
Dark Magic Academy: An Isekai Progression Fantasy
Eddie Gao
RAdult 18+
School of Magic 1: A Mage Academy Fantasy
School of Magic 1: A Mage Academy Fantasy
Dante King
XAdult 18+
Green-Eyed Monster: A Steamy Sapphic Witch Romance (Court of Chains)
Green-Eyed Monster: A Steamy Sapphic Witch Romance (Court of Chains)
Rawnie Sabor
XAdult 18+
Tales of Shub-Niggurath (Books of Cthulhu)
Tales of Shub-Niggurath (Books of Cthulhu)
C. T. Phipps
RAdult 18+
Persephone (Into Shadow collection)
Persephone (Into Shadow collection)
Lev Grossman
PG-13YA 12-17