- In the City of Shadows
- In the Closed Room
- In the Company of Women
- In the Country of Thieves and Ghosts
- In the Court of the Dragon, An Excerpt from the King in Yellow
- In the Court of the Yellow King
- In the Dark
- In The Dark
- In the Dark
- In the Dark
- In the Dark
- In the Dark Crypts of Oblivion
- In the Dark of the Night
- In The Dark, In The Deep
- In The Dark: The Last Mage Book II
- In the Dwellings of the Wilderness
- In the End, Only Darkness
- In the End: Apocalyptic Poetry
- In the Eye of the Beholder
- In The Falling Light
- In the Flesh
- In the Footsteps of Cthulhu
- In the Hollow of the Deep-Sea Wave
- In the House in the Dark of the Woods
- In the House of Broken Glass
- In the House of the Machine God
- In the House of the Vodouisant
- In the Land of the Lotus Eaters
- In the Light of Darkness
- In the Lone and Level Sands
- In the Looking Glass
- In the Lowbeams
- In the Mansion of Madness
- In the Midst of the Sea
- In the Mind of H. P. Lovecraft
- In the Moons of Borea
- In The Moons Of Borea
- In The Name of the Vampire
- In the Night Room
- In the Pines
- In the Pit
- In The Playpen of the Dead
- In the Rain with the Dead
- In the Realm of Carnal Horror
- In the Realm of the Wolf
- In The Red
- In The Red-A Short Story
- In the Ruins
- In the Rundown
- In the Shadow of Edgar Allan Poe
- In the Shadow of Monstrous Things
- In the Shadow of Porter's Hollow
- In the Shadow of the Axe
- In the Shadow of the Styx
- In The Shadows
- In the Still of the Knight
- In the Tall Grass
- In the Trenches
- In the Twist
- In the Valley of the Sorceress (Cryptofiction Classics - Weird Tales of Strange Creatures)
- In the Valley of the Statues: And Other Stories
- In the Vault
- In the Walls and Other Stories
- In the Walls of Eryx
- In the Walls of Eryx (Fantasy and Horror Classics)
- In the Walls: A Horror Story
- In the Woods
- In the Year of Our Death
- In This Twilight
- In tiefen Wassern
- In Too Deep
- In Too Deep: a Vampire trilogy
- In Tooth and Claw
- In una Parola
- Inanimate
- Inanimates: Tales of Everyday Fear
- Incandescence ( Les Liens Du Sang-livre 4)
- Incandescence ( Les Liens Du Sang-Livre 4)
- Incantesimi nelle vie della memoria
- Incarnate: Episode 1
- Incarnate: Episode 2
- Incarnate: Episode 3
- Incendiary
- Incertidumbre
- Inch: a Dark Fable
- Incident In A Tomb
- Incident in the Cambodian Jungle
- Inciting A Vampire’s Lust
- Inconsolable
- Incubi & deliri
- Incubi dal Nuovo Millennio
- Incubi della Buona Notte
- Incubi e Immagini. Racconti impossibili
- Incubus
- Incubus Dreams
- Incubus Night Succubus Light
- Incubus Succubus
- Incubus Wolf
- Incursion
- Indaco profondo
- Indefinite Fear (A Short Horror Story)
- India's Most Haunted
- Indian Falls (An Alien Invasion Novel)
- Indian Falls - An Alien Invasion Novel
- Indian Ghost Stories
- Indian Hill 5: Into the Fire:
- Indifferent
- Individually Wrapped Horrors
- Indulgence
- Industry of Death
- Indéfectibles gardiens
- Inexplicables mais vraies
- Infamy
- Infant Slaughter
- Infanticide
- Infectados
- Infectados El principio