- Imitando Geena
- Immaculate
- Immer nur bei Nacht
- Immortal
- Immortal Bride
- Immortal Darkness
- Immortal Desire
- Immortal Fears
- Immortal Hearts
- Immortal Implements
- Immortal Tales
- Immortal Touch
- Immortal Wolf
- Immortal.
- Immortalis
- Immortalis : Resurrection War
- Immortalis: The Fallen
- Immortals' Requiem: An Epic Grimdark Fantasy
- Imp
- Implantiert
- Impossible Memories: The Blue Light
- Impostor
- Impostor Syndrome
- Impregnated by the Alien
- Imprisoned with the Pharaohs (Fantasy and Horror Classics)
- Imprudence (Le Protocole de la crème anglaise, Tome 2)
- Impudence
- Impulse
- Impure Waters
- Impía y Mortal
- In Woodlands Wild
- In 666 Words
- In a Blackened Sky Where Dreams Collide
- In a Car Going Nowhere
- In a Crunch: A Short Story
- In a Dark Dream
- In A Glass Darkly
- In a Glass Darkly
- In A Season Of Dead Weather
- In Aeternum
- In Amelia We Do Not Trust
- In an Octopus's Garden
- In Between
- In Bleed Country
- In Blood and Bone
- In Blut und Liebe
- In Concert
- In Creeps the Night
- In Dark Times
- In Darkness of the Mountain's Night
- In Darkness, Shadows Breathe
- In Defense of Mankind
- In den Schatten der Nacht
- In Der Dunkel, In Der Tiefe
- In der Höhle des Bösterhasen
- In der Tiefe
- In der Tiefe singen sie
- In Double Jeopardy
- In Dreams
- In Dwarf Land & Cannibal Country: A Horror Story
- In einer kleinen Stadt (Needful Things)
- In Extremis
- In Extremis - A Hellbound Novella
- In Flames
- In Flesh
- In fondo al tunnel
- In For A Dollar In For A Dime
- In fuga da Houdini
- In Ghostly Japan
- In Hell
- In Ghostly Japan
- In Hell
- In het Donkere, in het Diepe
- In het spoor van de Hopduvel
- In Human Form
- In Letters of Fire (Fantasy and Horror Classics)
- In Lontananza, un Battito di Ali nere
- In Lovecraft's Shadow #1
- In Me
- In Memoria
- In Memoriam
- In My Mind
- In Night's Shadows
- In Nomine Patris
- In Our House: Tantalizing Tales of Terror
- In Plain Sight
- In profondità
- In Realtà
- In Remembrance
- In Samuels Augen
- In Search of a Mystery Child Book 3
- In Search of Adam
- In Search Of and Others
- In Search of the Unknown
- In Secure
- In Sheep's Clothing
- In Sickness
- In Silent Graves
- In the Abyss (Cryptofiction Classics - Weird Tales of Strange Creatures)
- In the Avu Observatory (Cryptofiction Classics - Weird Tales of Strange Creatures)
- In the Bedroom
- In the Blood
- In The Blood : An Anthology of Horror
- In The Blood: The Beginning