- M Issue 1
- M Issue 2
- M Issue 3
- M'Ganga's Curse
- M'rara
- M-Day (M-Day #1)
- M-E-D-S
- M. R. James: The Complete Supernatural Stories (30+ tales of horror and mystery: Count Magnus, Casti...
- M. Wolta Omnibus
- M.E.T.R.O – 2 Отголоски прошлого
- M.L. Bullock's October Horror Collection
- M.u.r.s.e. #1
- M34 (Flash Relatos)
- Ma femme est une sorcière
- Maandans
- Maaßlosigkeiten
- Mabini Shadows
- Macabre
- MACABRE & MYSTERY CLASSICS - Ultimate Collection: The Greatest Horror Tales of Edgar Allan Poe, H. P...
- Macabre Dairies
- Macabre Londres
- Macabre Manila
- Macabre Memories: Eclectic Tales to Chill the Soul
- Macabre Moments
- Macabre Tales
- Mace Was Here: A Gay Zombie Romance Short
- Macello
- Mach dich vertraut damit
- Machetazos. Todos Mueren
- MachoPoni: A Prance with Death (Poniworld Chronicles #1)
- MacLeod's Story Part Two
- Maculada Odete
- Macushla
- Mad Dog Summer & Other Stories
- Mad Moon of Dreams
- Mad Moon Of Dreams
- Mad Swine (Mad Swine Book 1)
- Mad Tales
- Mad World
- Madam Crowl's Ghost and The Dead Sexton
- Madame Chikolewa
- Madame Helena Blavatsky - Two Short Stories by One of the Greats of Occult Writing (Fantasy and Horr...
- Madame Vampire
- Maddrax - Folge 373
- Maddrax - Folge 403
- Maddrax - Folge 404
- Maddrax - Folge 405
- Maddrax - Folge 406
- Maddrax - Folge 407
- Maddrax - Folge 408
- Maddrax - Folge 409
- Maddrax 474 - Science-Fiction-Serie
- Maddrax 475 - Science-Fiction-Serie
- Maddrax 476 - Science-Fiction-Serie
- Maddrax 477 - Science-Fiction-Serie
- Maddrax 478 - Science-Fiction-Serie
- Made In Blood: Tales of Terror
- Made in Britain
- Made In Hell
- Made to Break
- Madeline
- Mademoiselle Christina
- Madhouse
- Madigan Mine
- Madness
- Madness & Monsters
- Madness Burns
- Madness Under the Tracks
- Madonna 666
- Madre di sangue
- Madre Terrestre
- Madson
- Maelstrom
- Maestro di caccia. Licantropi Filantropi #2
- Magazine of the Dead Presents
- Magdalene
- Maggie Andrews Gets the Facts
- Magia Do Brasil
- Magia nera
- Magic Cottage
- Magic Lantern Show of the Gods
- Magic Man Plus 15 Tales of Terror: A Collection of Horror Stories
- Magic Terror
- Magick
- Magick Trilogy
- Magie des Grauens
- Magische Ermittler
- Magnitude
- Magische Ermittler
- Magnitude
- Magnum Innominandum
- MAHLZEIT!
- Mail Order Massacres
- Mailboxes
- Maimed by the Alpha
- Mainstream
- Major Problems
- Make Me A Corpse
- Makers
- Making Love
- Making Magic
- Making Monsters: A Speculative and Classical Anthology
- Making Room
- Making the Cut
- Mala Fide
- Malady - A Zombie Survival Story
- Malediction
- Maledictions: A Horror Anthology
- Maleficio
- Maleficio (Flash Relatos)
- Malevolent Intent
- Malice
- Malice and Madness
- Malice in Wonderland #2: Alice the Angel of Death
- Malice Motor
- Malice Noir
- Malice!
- Malice: A Supernatural Thriller
- Malika, The Doll
- Malleus Daemonium
- Mallmann und der Schwarze Tod
- Mallmanns letzte Fälle
- Malorie
- Malpertuis
- Malphas 1. Le Cas des casiers carnassiers
- Malphas 2. Torture, luxure et lecture
- Malphas 3. Ce qui se passe dans la cave reste dans la cave
- Malphas 4. Grande Liquidation
- Malsons: Relats de terror
- Mama Fish
- Mama's Boy