- My Sisters in Death
- My Soul to Take
- My Sweet Valentine
- My Universe: FNAF Lore Companion
- My Unlife: Rebirth
- My Vampire Hero
- My Vampire Prom Date and other stories
- My Work Is Not Yet Done
- My Zombie My
- My Zombie's Keeper
- Mycophoria
- Myrna
- Myrrolen's Ghost Circus
- Mysteries for Halloween
- Mysteries Inside The Dreams
- Mysteries Of The Adda: An Inquiry On Paranormal Activities
- Mysteries of the Adda: An Inquiry on Paranormal Activities
- Mysteries of the Adda: An Inquiry on Paranormal Activities
- Mysterious and Horrific Stories
- MYSTERY & HORROR COLLECTION – Witch Wood & Other Dark-'N'-Spooky Tales
- Mystery at Grandma's
- Mystery at the Moonlight Casino
- Mystery Detective complète of Gaston Leroux (French Edition)
- Mystery in Moon Lane
- Mystery of Mysteries
- Mystic Corpse
- Mystic Paths Of Old
- Mystical Bee 1875
- MyZombieJounal by Ivan and Ian Desabrais
- Máquina de Pelo e Sangue
- Máquina de pelo y sangre
- Más allá de las sombras
- Más allá del miedo
- Más allá del miedo
- Más allá y otros cuentos
- Mélység
- Mémoires sanglantes - Tome I
- Método de composición
- Mörderhotel
- Mörkt
- Mørketimen - 1, 2, 3, 4, 5, 6 ...
- Mørketimen - Bøddel
- Mørketimen - Døde Drømme
- Mørketimen - Evig straf
- Mørketimen - Hvad ønsker du dig?
- Mørketimen - Skattejagt
- Mørketimen - Virkelighed?
- Música nocturna
- Música para a morte