- Masked Passions #2: The Black Cat and Black Owl Versus the Honey Swamp Monster
- Masked! Darkness Falls
- Maskeladden: Ildsjel
- Maskenmacht
- Maskeradel
- Maskernas stad
- Maskiner som mig
- Maskinminnen
- Masks & Mysteries #1
- Masks & Mysteries #10
- Masks & Mysteries #11
- Masks & Mysteries #2
- Masks & Mysteries #3
- Masks & Mysteries #4
- Masks & Mysteries #5
- Masks & Mysteries #6
- Masks & Mysteries #7
- Masks & Mysteries #8
- Masks & Mysteries #9
- Masks and Demons
- Masks of God
- Masks of Moi'dan
- Masks of Scorpio [Dray Prescot #31]
- Masks of the Martyrs
- Masks Off, Crowns On
- Mason
- Mason Dixon & the Ghost Dinosaur
- Mason Dixon - Monster Hunter
- Mason Dixon - The Wampus of Reeds Spring
- Mason's Fate
- Masonry: Tales and Lore of the Old Kingdom
- Masquarade
- Masque
- Masque (The Two Monarchies Sequence)
- Masque de fer
- Masque of Death
- Masque of the Vampire
- Masquerade (a sexy short)
- Masquerade in Lodi
- Masquerade Season
- Masquerades
- Masquerading Shadows
- Masques of Darkover
- Masques of Darkover
- Masro Fhin: Homecoming
- Mass Effect Andromeda, Band 1
- Mass Effect Andromeda, Band 2
- Mass Effect Andromeda, Band 3
- Mass Effect Andromeda: Nexus Początek
- Mass Effect: Andromeda. Inicjacja
- Mass Effect: Ascension
- Mass Effect: Deception
- Mass Effect: Homeworlds V1
- Mass Effect: Retribution
- Mass Effect: Revelation
- Mass Schizophrenia
- Mass' George: A Boy's Adventures in the Old Savannah
- Massacre (Night Lords)
- Massimiliano Verliebt in Bella Italia
- Massimiliano Verliebt in Rom
- Mast
- Master (Drac Ula Book 3)
- Master and Apprentice
- Master and Apprentice (Star Wars)
- Master and Boy
- Master And Fool
- Master Assassins
- Master Blacke
- Master Fixer
- Master Johannes Wacht (Fantasy and Horror Classics)
- Master Mage
- Master Martin, the Cooper, and His Journeyman (Fantasy and Horror Classics)
- Master Minds
- Master of Chains
- Master of Darkness
- Master of Desire
- Master of Ecstasy (Mackenzie Vampires, Book 1)
- Master of Fate
- Master of Fiends
- Master of Furies
- Master of Her Heart
- Master of Life and Death and five more Stories
- Master of Maya
- Master of Mentalists
- Master of Mourkain
- Master of Orion: To the Stars
- Master of Plagues
- Master of Poisons
- Master of Restless Shadows Book One
- Master of Roads
- Master of Sanctity
- Master of Shadows
- Master of Smoke
- Master of Soul-Building
- Master of Spacetime
- Master of Swords
- Master of Ta'arim
- Master of the Arena
- Master of the Asteroid
- Master of the Cauldron
- Master of the Etrax
- Master of the First
- Master of the Five Magics, 2nd Edition
- Master of the Flying Broom
- Master of the Ghost Dreaming
- Master of The Gods
- Master of the Guard
- Master of the House
- Master of the Hunt
- Master of the Jinn: A Sufi Novel
- Master of the Mirror: Mirror-Walker III
- Master of the Moon
- Master of the Night
- Master Of The Order: Tales From The Renge: The Prophecy, Book 9
- Master of the Revels
- Master of the Sky
- Master of the Vineyard
- Master of Time: A Fantasy Novel
- Master of Uncertainty
- Master of Ways of World
- Master of Wolves
- Master Piece
- Master Plan
- Master Rockafellar's Voyage
- Master Shouwei Book One Echoes of the past
- Master Stargazer
- Master True Alpha