- Colibríes y otros cuentos
- Colin Lavie
- Collapse, Tales of the Zombie Chronicles
- Collateral Damage
- Collected
- Collected Classic Horror Stories. Illustrated
- Collected Ghost Stories
- Collected Short Stories
- Collected Supernatural Stories
- Collected Works of William Hope Hodgson. Illustrated
- Collected Works: Volume 1
- Collected Works: Volume 2
- Collected Works: Volume 4
- Collected Works: Volume 5
- Collected Works: Volume II
- Collected Works: Volume III
- Collected Works: Volume IV
- Collected: Volume 1
- Collected: Volume 2
- Collected: Volume 5
- Collection of Famous Author "Bram Stoker"
- Collection of Fear: A horrific short story collection
- Collector
- Colonia Z - La isla
- Colonial Gothic Bestiary
- Colonial Gothic Gamemaster
- Colonial Gothic: Lovecraft
- Colonial Horrors
- Colonie Z : Le début et la fin (vol. 4)
- Colonie Z : Les premiers jours (vol. 3)
- Colony of The Dead
- Colony Z: The Albion Tribe (Vol. 2)
- Colony Z: The Complete Collection
- Color Me Pencil
- Colorado Kid
- Colorado Kid
- Colors and Smells
- Colors of Death
- Colors of Deception (Demons of Saltmarch, #1)
- Colouring Books and Mint Chocolate Chip Ice Cream
- Colter's Revenge
- Colter's Run
- Colton: The Complete Series
- Columpios en el cementerio
- Com sangue
- Comatic Dreams
- Comboio de Espectros
- Combustion
- Come As You Are: A Novella
- Come closer
- Come Closer
- Come Find Me
- Come Join Us By the Fire Season 2
- Come Out Tonight
- Come Payasos
- Come the Chupacabra: An Erotic Horror Story
- Come The Night
- Come the Night
- Come to Dust
- Come to Slaughter, Pig!
- Come tu mi vuoi
- Come What May
- Come When I Call You
- Comeback
- Comedy of Terrors
- Comes Around
- Comes the Blind Fury
- Comet Dust: An Apocalyptic Chiller Based on Real Prophecy
- Comeuppence
- Coming Back
- Coming to You Live
- Coming Undone
- Communicator Chronicles
- Communion
- Community
- Compañías silenciosas
- Complete 180 Supernatural Weird of Guy de Maupassant
- Complete Adventure Thriller of John Buchan (Illustrated)
- Complete Anne of Green Gables Romance Ghost of L. M. Montgomery
- Complete Arsene Lupin Mystery Detective of Maurice Leblanc
- Complete Celebrated Crimes by Alexandre Dumas, Pere
- Complete Collection of H. P. Lovecraft
- Complete Comedy Plays & Psychological Horror of W. Somerset Maugham
- Complete Conan Weird Tales of Robert E. Howard
- Complete Foxglove Manor of Robert W. Buchanan
- Complete Fu Manchu Gaston Max Series of Sax Rohmer
- Complete Ghost Stories
- Complete Gothic Suspense Supernatural of J. S. Le Fanu
- Complete Horror Ghost Supernatural of Algernon Blackwood
- Complete Horror Gothic Ghostly Mysteries of Joseph Sheridan Le Fanu
- Complete Horror Occult & Supernatural
- Complete Horror of Herman Melville
- Complete Horror Supernatural Ghost of Arthur Machen
- Complete Humorous Horror of Oscar Wilde
- Complete James Albert Frye Odd Tales & Fables
- Complete Mystery & Poems of Edgar Allan Poe
- Complete Mystery Crime Trial Literary of Franz Kafka
- Complete Mystery Detective History of Burton Egbert Stevenson
- Complete Mystery Crime Trial Literary of Franz Kafka
- Complete Mystery Detective History of Burton Egbert Stevenson
- Complete Mystery Detective of Anna Katharine Green
- Complete Mystery Detective of Grant Allen
- Complete Mystery Detective of Marie Belloc Lowndes
- Complete Mystery Detective Thriller of Lawrence L. Lynch
- Complete Mystery Romance of Guy de Maupassant
- Complete Mystery Romance Thriller of Arthur Griffiths
- Complete Mystery Romance Thriller of L. T. Meade
- Complete Mystery Thriller of Ann Ward Radcliffe
- Complete Mystery Thriller of Charles Wadsworth Camp
- Complete Mystery Thriller Romance of Richard Marsh
- Complete Old Sleuth's Own Mystery Detective of Harlan Page Halsey
- Complete Pirates Adventure Romance Ghost of Howard Pyle
- Complete Poetical Works
- Complete Romance Ghost of Edith Wharton
- Complete Romance Horror of Frances Hodgson Burnett
- Complete Romance Horror of Gaston Leroux
- Complete Romance of A. M. Williamson and C. N. Williamson
- Complete Romance of Charlotte Bronte
- Complete Romance of George Eliot
- Complete Romance of Thomas Hardy
- Complete Science Adventure of Fritz Leiber
- Complete Science Pulp Mystery of Abraham Merritt
- Complete Spiritualist Occult & Myth of Arthur Conan Doyle
- Complete Supernatural Romance Humor of May Sinclair
- Complete Thriller Supernatural of Bram Stoker
- Complete True Crime Mystery of Arthur Cheney Train
- Complete Weird Western Horror Thriller of Robert E. Howard
- Complete Women's Studies Horror Romance of Charlotte Perkins Gilman
- Compulsion
- Compulsive Gambler Sawed Off the Tree Branch He Bet On and The Always Smiling Open Arms For a Fatal ...
- Computer Bug
- Con la coda dell'occhio
- Con los colmillos al cuello. Tras los pasos del vampiro
- Con-Serve
- Conan der Legendäre
- Conan e il dio nell'urna
- Conan the Barbarian
- Conan the Berserker
- Conan the Destroyer
- Conan the Indomitable
- Conceived in Blood
- Concerning Ashton Moore
- Concrete Jungle
- Condenado
- Condensed Madness
- Condition Black