- Medium
- Medo
- Medo Da Verdade
- Medusa
- Medusa's Coil
- Meet Me by Moonlight
- Meeting Death
- Meeting with Fate
- Meeting with My Maker
- Meets Halloween Jack
- Megacity
- Megaloceros
- Megalodón
- Megalonyx
- Mehr seltsame Geschichten
- Meia-Noite Chega com o Amanhecer - A Praga Vampírica
- Mein Freund der Mörder
- Meine schönsten Werke
- Meisterwerke der dunklen Phantastik 03: ALS ICH TOT WAR (Band 1)
- Meisterwerke der dunklen Phantastik 04: ALS ICH TOT WAR (Band 2)
- Meisterwerke der dunklen Phantastik 05: DAS ÄQUINOKTIUM DER WAHNSINNIGEN
- Mekayla's Revenge
- Melancholies & Wanderlust
- Melissa's Secret
- Melita
- Mellonta Tauta
- Melmoth ou l'Homme errant
- Melmoth the Wanderer
- Melmoth the Wanderer 1820
- Melody Jackson v. the Message from Space It happened on Lafayette Street (Season One - Book Three)
- Melusina
- MEMENTO MORI - Il viaggio di Elektra
- MEMENTO MORI - Scherzando col fuoco
- Memnoch el diablo (Crónicas Vampíricas 5)
- Memoir From Hell
- Memoires of a Vampire Countess
- Memoirs of a Dream Witch
- Memoirs of a Transferable Soul
- Memoirs of Asylum: Janet Blair
- Memorias de Sangre y Metralla
- Memorias del asesino
- Memories and Vampyrs
- Memories and Vampyrs: Redux
- Memories Dying
- Memory
- Memory Lane: A Novella
- Memory of Trees
- Men, Woman, and Ghosts
- Menacing Shadows
- Menagerie: A Wildclown Novel
- Menina má
- Menino Anjo
- Mensageiros do Limiar
- Menschenlos
- Menschenseelen
- Menschenseelen Teil 2 - Lilith -
- Menschenseelen Teil 3 - Afarit -
- Menschenseelen Teil 5 - Adam -
- Mental Distortion
- Mental Shrillness
- Mercenaires, larmes divines et ex-petites amies rancunières
- Merchandise - A Short Story
- Mercurial Dreams
- Mercy House
- Mercy: A Short Story Collection
- Mere Child to a Ruthless Bow-Slayer
- Mereret
- Mergulhando nas abduções
- Merit Badge of the Undead
- Merkabah Rider: High Planes Drifter
- Merkabah Rider: The Mensch With No Name
- Merrick (Crónicas Vampíricas 7)
- Merry Dreadmas
- Mesmeric Revelation
- Messages from the Dead
- Messiah of the Zombie Apocalypse
- Mestiza Blood
- Mestres do Terror
- Metafrenia
- METAMORPH
- Metamorphosis