- Muscle Swap: She Took His Strength
- Muse & Crisis
- Muse Delusion
- Muse Unexpected
- Music and Misadventure
- Musiques de la Frontière
- Muskedoniernas förunderliga resa till tvärtomlandet
- Must Love Ghosts: Coffee and Ghosts 1
- My Altruistic Nanny
- My Babylon: Book Five: Beast
- My Babylon: Book Four: Host
- My Babylon: Book One: Body
- My Babylon: Book Three: Risen
- My Babylon: Complete
- My Big Fat Demon Slayer Wedding
- My Brother and his Brother
- My Cousin, the Rabbit [a Diz and Dee mystery]
- My Crimson Love
- My Dad Hunts Monsters
- My Darlin' Quarantine
- My Day As Regan Forrester
- My Dungeon Life: Rise of the Slave Harem Volume 6
- My Fair Planet
- My Fairy Darkness
- My girlfriend from You Porn
- My Girlfriend is the Grim Reaper?!
- My Grandfather's Pants
- My Guardian Angel
- My Imaginary Girlfriend
- My Imaginary Raven
- My Immortal Soul Book One
- My Intended
- My Lady Greensleeves
- My Life with the Werewolf Girl
- My Love
- My Math Teacher is a Vampire
- My Mostly Happy Life
- My Name is Michael
- My Name isLegion
- My Name Was Julia
- My Real Cousin Ruby
- My Reality Show
- My Science Teacher is a Wizard
- My Short Stories: For Young Adults
- My Sisters in Death
- My Strange Friend. Book of Flame. Volume 1
- My Weight in Wands
- My World
- My Younger Brother
- Myra Weathers and the Vigilant Band
- Myrina Holmes, tome 1 : Démons et merveilles
- Myrina Holmes, tome 2 : Cadavres exquis
- Mysterio the Great
- Mystery Cat: A Poker Boy Story
- Mystery Diaries - Die komplette Serie in einem Band
- Mystery Diaries: Das verfluchte Haus
- Mystery Diaries: Der Spiegel der Tänzerin
- Mystery Gottheim
- Mystery Night
- Mystic Highlands: Band 1-4 in einer E-Box
- Mystische Geisterschiffe
- Myth Hunter
- Mythago Wood
- Mythic Delirium
- Mythic Delirium: Volume Two
- Mythical Alliance: Phoenix Team
- Mythical Girls
- MythOS
- Myths & Magic
- Myths of Midwinter
- Myths of Origin
- Márványlánc
- Märenborn
- Möbius’ Code
- Mötley Hüerd, the Pony Glam Metal Band (Poniworld Chronicles #5)
- Mørk Engel
- Músico etéreo
- Mạch Đập Bí Ẩn