- More Spook Stories
- More Stories To Read To The Thing Under The Bed
- More Than A Dream
- More Than Just Surviving
- More Than Mortal
- More Tomorrow & Other Stories
- Morella
- Morella (+Audio)
- Mores of the Maelstrom: Volume 1 (A Collection of Short Stories by Mark Sheldon)
- Morgengrauen: Ein postapokalyptischer Thriller
- Morgenmenschen
- Moria
- Moribund
- Morir de miedo
- Mork-Ham - Tome 1
- Morning Mist
- Morning Routine
- Morning Sickness
- Morning Star
- MORPH - Curse of the Bitch
- Morpheus Tales Flash Fiction Horror Special
- Morpheus Tales: The Best Weird Fiction Volume 1
- Morpheus Tales: The Best Weird Fiction Volume 2 - Ebook
- Morpheus Tales: The Best Weird Fiction Volume 3 Ebook
- Morpheus Tales: The Best Weird Fiction Volume 5
- Morrigan's Shadows
- Morsels of Mayhem
- Morsi alla luna
- Mortal Danger
- Mortal Immortal
- Mortal Sin
- Mortal.
- Mortal. en Espanol
- Mortal?
- Morte del maschio Alfa
- Morte di un autore
- Mortelle Destinée
- Morti Due Volte (La Crisi degli Zombie—Libro 1)
- Morti Due Volte (La Crisi degli Zombie—Libro 1)
- Morto e mangiato - storie di zombie di aa. vv.
- Mortuary Horror
- Mosaic
- Most Haunted Crime Scenes In The World
- Most Interesting Stories of Detective & True Modern Magic
- Most Precious Collection
- Mostly Dark
- Mostly Dead
- Mostri
- Motel Black
- Motel Hell
- Moth to a Flame
- Mother Comes to Visit
- Mother Dearest
- Mother of Darkness An Anthology of Horror
- Mother's Boy
- Mother's Got a Whip
- Mother's Little Helper
- Mother's Love
- Mother, Mirror
- Motherless Child
- Mothers Protection
- Moths: A Trio of Dark Novellas
- Motor City Shambler
- Motor City Shambler: A Bob the Zombie Novel
- Mould
- Mound Hill Cemetery, The World Within, Part One
- Mount Misery
- Mountain of Ashes: A Labyrinth of Souls Novel
- Mouny-Robin
- Mourning Twilight
- Mouth Sewn Shut
- Mouth to God's Ear
- Mouthful of Birds
- Move Under Ground
- Movement in the Shadows
- Movie B
- Moving On
- Moxon's Master - and other Tales of Murder Most Foul
- Mozart
- Mr Blue Sky
- Mr Creepy Man
- Mr E
- Mr Shivers
- Mr Tv, Please Let Me Out!
- Mr Wrong
- Mr. Alexander Garrick's Traveling Circus
- Mr. and Mrs. Saturday Night
- Mr. Big Ugly
- Mr. Boogey and Miss Spooky
- Mr. Composure (The Purge: Anarchy)
- Mr. Elkins and the Zombies of Elbert County
- Mr. Hands
- Mr. Hate
- Mr. Heartbreaker
- Mr. Holiday
- Mr. Mann - The Afterlife and Times of the Devil's Acquisitor ad Infinitum
- Mr. Mayflower
- Mr. Mercedes
- Mr. Mercedes (Trilogía Bill Hodges 1)
- Mr. Monster
- Mr. Murder
- Mr. Pakool's Spice
- Mr. Percy and the Prophet ('Percy and the Prophet')
- Mr. Quinn's Short Retirement
- Mr. Robespierre
- Mr. Salinas's Seven Scary Stories
- Mr. Secret Admirer
- Mr. Sticks
- Mr. Time
- Mr. TV, Snälla Släpp Mig!
- Mr. X
- Mr. Zombie Goes to Washington