- Monster Born
- Monster Geek
- Monster Heart, An IPMA Troll Brother Extra #4
- Monster Jaeger
- Monsters Are Forever
- Monsters Vs Demigods Deluxe Complete Duology
- Monstros fantásticos e onde encontrá-los: O argumento original
- Monstrous Love
- Montalbanos allererster Fall
- Monuments to the Dead
- Moon Bitten
- Moon Blind Duology
- Moon Dancer
- Moon Glamour
- Moon Magic
- Moon Marked Trilogy
- Moon Over Soho
- Moon Stalked
- Moon-Crossed Wolves Trilogy
- Moon-Face
- Moonbreaker
- Moondance
- Moonheart
- Moonlight Binding Magic
- Moonlight Burns: A Paranormal Urban Fantasy Series
- Moonlight Magic
- Moonlight Mist
- Moonlight on the Shenandoah
- Moonlight Shadows
- Moonlit Massacres
- Moonpies & Magic
- Moonscape Box Set
- Moonshine
- Moonshine and Thistle
- Morango, L'altra faccia dei Lunatici
- Mord am Heiligen Abend
- More Than Fiends
- More than Human : Scifi Cyborg Romance
- More than Nurture
- Morfirion
- Morgan's Curse
- Mork-Ham - Tome 1
- Morning Tattoo, Silver Assassin Book Four
- Morph, My Story
- Morrigan: Blue Moon Rising
- Mortal Enemy
- Mortal Gods
- Mortality Bridge
- Mosses from an Old Manse and other stories
- Most Excellent and Lamentable
- Mostly Dead Melvin
- Mother London
- Mother May I
- Mother's Heart
- Motherfucking Wizards
- Motivos de sobra para inquietarse
- Mountain Medicine
- Mountain of Whispers
- Mourning Lark
- Mourning's Dawn
- Moving House
- Mr. Berzerkeley
- Moving House
- Mr. Berzerkeley
- Mr. Oddley's Toy Shop
- Mr. Perfect? Or Mr. Right?: Friend Zone 3
- Mr. Punch's Golf Stories
- Mr. Snuffleupagus Is God
- Mrs. Amazing and The Seed
- Mrs. Pigafetta Swims Well
- Mrs. Sorensen and the Sasquatch
- Ms Amazing: Battering Ram of Justice
- Ms Ito's Bird & Other Stories
- Ms Patriot: Super Bimbo
- Ms. Infinity: Earth's Greatest Hero
- Much Ado about Macbeth
- Much Ado About Magic
- Much Ado About Russian The Fair Hero Series: Book One
- Mudflat Magic Books 1,2,3
- Mudflat Magic Books 4, 5, 6
- Mumbled Whispers
- Murder Above the Fold
- Murder Beach
- MURDER IN MALDIVES
- Murder in the Boughs
- Murder in Wizard's Wood
- Murder of Angels
- Murder of Crows
- Murder on the Backswing
- Murder on the Lake
- Murder on the Road
- Murder Takes Many Forms