- Magicka Apocalyptica
- Magie oder Technik
- Magier der Zeit: Phantastik Sammelband
- Magiker och glas
- Magma am Himmel
- Magna
- Magnet
- Magnet Omnibus I
- Magnet: Marauder (Lacuna)
- Magnet: Scarecrow
- Magnet: Special Mission (Lacuna)
- Magnetism: Cryoborn Gifts
- Magnificat: Galactic Milieu 3
- Magnificent Devices
- Magnificent Devices Books 1–8
- Magnificent Devices Books 7-8
- Magnificent Devices Books 9-12
- Magnificent Devices Manor House Quartet
- Magnificent Devices: Books 1-2
- Magnificent Devices: Books 5-6
- Magnifiques artifices
- Magnum: Stargazer Alien Mail Order Brides (Intergalactic Dating Agency)
- Magnus Ridolph
- Magnus: Dragon Warrior
- MagTech
- Maid for the Beast
- Maid in Stone
- Maid of Thuro
- Maiden Flight
- Maiden Voyage
- Maiden Voyage of the Pink Plastic Ponies
- Mainspring
- Majestic
- Majesty
- Majipoor Chronicles
- Major Mischief
- Major of Special Forces
- Major of Special Forces
- Major Pieces
- Major Space Dust-Up In Sector 687 Alpha
- Make a wish
- Make It So: Leadership Lessons from Star Trek: The Next Generation
- Make Like The Roaches And Survive
- Make new Memory oder wie ich von vorn begann
- Make Shift
- Makeshift Minds
- Cadet Girlfriend
- Malady - A Zombie Survival Story
- Malafrena
- Malaikat Pelindung Gotik
- Malaika’s Secret
- Malaz
- MALCOLM JAMESON Premium Collection – 17 Science Fiction Classics in One Volume
- Malefactor
- Malefic Time: Codex Apocalypse
- Malevil
- Malfunction
- Malignant Metamorphosis
- Maliseche: el renacer
- Maljie, Just One Thing After Another.
- Maljie, the Episodic Memoirs of a Lady.
- Maljie.Teaching a Cat to Dance
- Maluka Rising
- Malum
- Malédiction
- Mammalia
- Mammoth Book of Best New SF 28
- Mammoth Book of Steampunk Adventures
- Mammoth Books presents And the Deep Blue Sea
- Mammoth Books presents Anomalies
- Mammoth Books presents Death in the Promised Land
- Mammoth Books presents Fermi and Frost
- Mammoth Books Presents Life In The Anthropocene
- Mammoth Books presents Merlin's Gun
- Mammoth Books presents Sleepover
- Mammoth Books presents The Books
- Mammoth Books presents The Region Between
- Mammoth Books presents Wang's Carpets
- Mammoth Books presents When We Went to See the End of the World
- Man
- Man Against Machine
- Man at Large
- Man Bites Zombie
- Man in the Empty Suit
- Man Made God 001
- Man Made God 002
- Man Made God 003
- Man Made God 004
- Man Made Man (Phoenician #1)
- Man of Earth
- Man Of The World
- Man Of Two Planets
- Man Overboard
- Man's Best Friend
- Man's Next 500 Years
- Manalone
- Mandate
- Mandato di cattura
- Manhattan 2058
- Manhattan 2059 - Eternity
- Manhattan in Reverse
- Mania
- Manifest
- Manifest Destiny: A Story of the Future
- Manipulation - Tome 1 - Corbeaux
- Manipulation - Tome 2 - Renards
- Manmat'ha (Cryptofiction Classics - Weird Tales of Strange Creatures)
- Manners and Mutiny
- Mansmaskinen