- Neil Gaiman (Good Omens (with Terry Pratchett), Neverwhere, Smoke and Mirrors, Stardust, American Gods, Coraline, Anansi Boys, Fragile Things, M is for Magic, The Graveyard Book, The Ocean at the End of the Lane, Trigger Warning, Norse Mythology)
- Raymond Z. Gallun (People Minus X, The Planet Strappers, A First Glimpse and Other Stories.)
- Daniel F. Galouye (Dark Universe.)
- Lee Hawkins Garby (The Skylark of Space (with E. E. Smith).)
- Alan Garner (Elidor)
- Randall Garrett (The Shrouded Planet, The Dawning Light (the preceding two with Robert Silverberg), Brain Twister, The Impossibles, Supermind, Pagan Passions (the preceding four with Laurence Janifer), Unwise Child, Anything You Can Do ..., Lord Darcy, Psichopath and Other Science Fiction Stories, The Bramble Bush, The Destroyers, The Highest Treason, A Spaceship Named McGuire; A Collection of Short Stories.)
- David Gemmell (Legend.)
- Mary Gentle (Golden Witchbreed, Ancient Light, Scholars & Soldiers)
- Peter George (Dr. Strangelove or: How I Learned to Stop Worrying and Love the Bomb.)
- David Gerrold (The Flying Sorcerers (with Larry Niven))
- Stella Gibbons (Cold Comfort Farm.)
- Gary Gibson (Final Days)
- William Gibson (Neuromancer, Count Zero, Burning Chrome, Mona Lisa Overdrive, The Difference Engine (with Bruce Sterling), Virtual Light, Idoru, All Tomorrow's Parties, Pattern Recognition, Spook Country, Zero History, The Peripheral, Agency)
- Carolyn Ives Gilman (Arkfall, The Ice Owl)
- Maeve Gilmore (Titus Awakes (from a Mervyn Peake outline).)
- Tom Godwin (The Cold Equations and Other Stories.)
- H. L. Gold (None But Lucifer (with L. Sprague de Camp).)
- Harold L. Goodwin (Rip Foster Rides the Gray Planet.)
- Roland J. Green (Jamie the Red (with Gordon R. Dickson).)
- Simon R. Green (Deathstalker)
- Colin Greenland (Take Back Plenty, Harm's Way, Seasons of Plenty, The Plenty Principle, Mother of Plenty)
- John Gribbin (Double Planet, Reunion (with Marcus Chown))
- George Griffith (The Angel of the Revolution: A Tale of the Coming Terror.)
- Nicola Griffith (Ammonite, Slow River)
- James E. Gunn (This Fortress World, Star Bridge (with Jack Williamson), Transcendental.)
- Karen Haber (The Mutant Season (with Robert Silverberg))
- Chris Hadfield (The Apollo Murders)
- Jack C. Haldeman II (There Is No Darkness (with Joe Haldeman).)
- Joe Haldeman (The Forever War, Mindbridge, All My Sins Remembered, Infinite Dreams, Worlds, There Is No Darkness (with Jack C. Haldeman II), Worlds Apart, Dealing in Futures, Tool of the Trade, The Long Habit of Living, The Hemingway Hoax, Worlds Enough and Time, None So Blind, Forever Peace, Forever Free, The Coming, Guardian, Camouflage, Old Twentieth, A Separate War and Other Stories, The Accidental Time Machine, Marsbound, Starbound, Earthbound)
- Edmond Hamilton (Crashing Suns, Outside the Universe, The Star Kings, A Yank at Valhalla, City at World's End, The Sun Smasher, The Star of Life, The Haunted Stars, Battle for the Stars, The Valley of Creation, The Secret of Sinharat, People of the Talisman (the preceding two were expanded from Leigh Brackett originals), Fugitive of the Stars, Doomstar, The Weapon from Beyond, The Closed Worlds, World of the Starwolves, Return to the Stars, The Best of Edmond Hamilton, The Last of the Star Kings.)
- Peter F. Hamilton (Fallen Dragon, Misspent Youth, The Dreaming Void, The Temporal Void, The Evolutionary Void, Manhattan in Reverse, Great North Road)
- Elizabeth Hand (Errantry)
- Nick Harkaway (The Gone-Away World, Angelmaker)
- Charles L. Harness (The Paradox Men, The Ring of Ritornel, Wolfhead, The Catalyst, Firebird, The Venetian Court, Redworld, Krono, Lurid Dreams, Lunar Justice, An Ornament to His Profession, Drunkard's Endgame, Cybele, With Bluebonnets.)
- Joanne Harris (The Gospel of Loki)
- Robert Harris (Fatherland, The Fear Index, The Second Sleep)
- Harry Harrison (Deathworld, The Stainless Steel Rat, Planet of the Damned, Deathworld 2: The Ethical Engineer, Bill, the Galactic Hero, The Jupiter Plague, Make Room! Make Room!, The Technicolor Time Machine, Deathworld 3: The Horse Barbarians, Captive Universe, In Our Hands, the Stars, Spaceship Medic, The Stainless Steel Rat's Revenge, One Step from Earth, Prime Number, Tunnel Through the Deeps, The Stainless Steel Rat Saves the World, Star Smashers of the Galaxy Rangers, The Men from P.I.G. and R.O.B.O.T., The Lifeship (with Gordon R. Dickson), Planet of No Return, 50 in 50, Toy Shop and Two Others.)
- M. John Harrison (The Committed Men, The Pastel City, The Centauri Device, The Machine in Shaft Ten, A Storm of Wings, In Viriconium, Viriconium Nights, The Course of the Heart, Signs of Life, Light, Things That Never Happen, Nova Swing, Empty Space, You Should Come With Me Now, The Sunken Land Begins to Rise Again)
- Colin Harvey (Damage Time.)
- Robert A. Heinlein (Rocket Ship Galileo, Beyond This Horizon, Space Cadet, Red Planet, Sixth Column, Farmer in the Sky, Between Planets, The Puppet Masters, The Rolling Stones, Starman Jones, The Star Beast, Tunnel in the Sky, Double Star, Time for the Stars, The Door into Summer, Citizen of the Galaxy, Methuselah's Children, Have Space Suit—Will Travel, Starship Troopers, Stranger in a Strange Land, Podkayne of Mars, Glory Road, Orphans of the Sky, Farnham's Freehold, The Moon Is a Harsh Mistress, I Will Fear No Evil, Time Enough for Love, The Number of the Beast, Friday, Job: A Comedy of Justice, The Cat Who Walks Through Walls, To Sail Beyond the Sunset, For Us, The Living: A Comedy of Customs, Variable Star (by Spider Robinson from a Robert A. Heinlein outline), The Man Who Sold the Moon, Waldo & Magic, Inc., The Green Hills of Earth, Assignment in Eternity, Revolt in 2100, The Menace from Earth, The Unpleasant Profession of Jonathan Hoag, Expanded Universe, Requiem: New Collected Works by Robert A. Heinlein and Tributes to the Grand Master.)
- Zenna Henderson (The Anything Box, Holding Wonder, The People Collection.)
- Brian Herbert (Sudanna, Sudanna, Man of Two Worlds (with Frank Herbert))
- Frank Herbert (The Dragon in the Sea, Dune, The Green Brain, Destination: Void, The Eyes of Heisenberg, The Santaroga Barrier, The Heaven Makers, Dune Messiah, Whipping Star, The Godmakers, Hellstrom's Hive, Children of Dune, The Dosadi Experiment, The Jesus Incident (with Bill Ransom), Direct Descent, God Emperor of Dune, The White Plague, The Lazarus Effect (with Bill Ransom), Heretics of Dune, Chapterhouse: Dune, Man of Two Worlds (with Brian Herbert), The Ascension Factor (with Bill Ransom), High-Opp, The Collected Stories of Frank Herbert.)
- Philip E. High (Guilty as Charged: Fantastic Crime Stories.)
- James Hilton (Lost Horizon.)
- Russell Hoban (Riddley Walker.)
- Robin Hobb (Shaman's Crossing, Forest Mage, Renegade's Magic)
- William Hope Hodgson (The Boats of the "Glen Carrig", The House on the Borderland, The Ghost Pirates, The Night Land, Carnacki, the Ghost-Finder.)
- James P. Hogan (Inherit the Stars, The Genesis Machine, The Gentle Giants of Ganymede, The Two Faces of Tomorrow, Thrice Upon a Time, Giant's Star, Voyage from Yesteryear, Code of the Lifemaker, Minds, Machines & Evolution, Entoverse, Star Child, Rockets, Redheads & Revolution, The Legend That Was Earth, Martian Knightlife, Mission to Minerva, Catastrophes, Chaos & Convolutions.)
- Robert Holdstock (Eye Among the Blind, Earthwind, Where Time Winds Blow, In the Valley of the Statues, Mythago Wood.)
- Cecelia Holland (Floating Worlds)
- Robert E. Howard (Almuric, The Complete Chronicles of Conan: Centenary Edition, Conan's Bretheren: The Classic Heroes.)
- Hugh Howey (Wool)
- Fred Hoyle (The Black Cloud, Ossian's Ride, A for Andromeda (with John Elliot), Fifth Planet (with Geoffrey Hoyle), The Andromeda Breakthrough (with John Elliot), October the First Is Too Late.)
- Geoffrey Hoyle (Fifth Planet (with Fred Hoyle))
- Matthew Hughes (Fools Errant, Fool Me Twice, Black Brillion, Majestrum, The Spiral Labyrinth, Template, Hespira, The Damned Busters, The Other, Costume Not Included, 9 Tales of Henghis Hapthorn, Hell to Pay, The Meaning of Luff and Other Stories, The Compleat Guth Bandar, Devil or Angel and Other Stories, A Wizard's Henchman, 9 Tales of Raffalon, Forays of a Fat Man, A God in Chains, Barbarians of the Beyond, Baldemar, Passengers and Perils, Mixed Bag, Ghost Dreams, The Ghost-Wrangler)
- Edna Mayne Hull (Out of the Unknown, Planets for Sale, The Winged Man (with A. E. van Vogt).)
- Anna Hunger (The Man Who Lived Forever (with R. DeWitt Miller).)
- Aldous Huxley (Brave New World.)
- Simon Ings (The Weight of Numbers)
- Kazuo Ishiguro (The Buried Giant)
- Shirley Jackson (The Haunting of Hill House, We Have Always Lived in the Castle.)
- John Jakes (Mask of Chaos.)
- M. R. James (Curious Warnings: The Great Ghost Stories of M. R. James.)
- Malcolm Jameson (Bullard, from Cadet to Commander: A Story of the Space Patrol.)
- Laurence Janifer (Pagan Passions, Brain Twister, The Impossibles, Supermind, (with Randall Garrett), Slave Planet.)
- Richard Jefferies (After London; Or, Wild England.)
- Kij Johnson (At the Mouth of the River of Bees)
- Gwyneth Jones (Spirit: The Princess of Bois Dormant)
- Raymond F. Jones (The Alien, The Year When Stardust Fell, The Great Gray Plague, Two Worlds of Raymond F. Jones.)
- Terry Jones (Starship Titanic.)
- Franz Kafka (The Trial, The Castle, The Complete Stories of Franz Kafka.)
- Colin Kapp (The Unorthodox Engineers.)
- James Patrick Kelly (Burn)
- Leigh Kennedy (Faces)
- Katharine Kerr (Polar City Blues)
- John Kessel (The Baum Plan for Financial Independence and Other Stories)
- Daniel Keyes (Flowers for Algernon.)
- Stephen King (The Dark Tower: The Gunslinger, The Dark Tower II: The Drawing of the Three, The Dark Tower III: The Waste Lands, The Dark Tower IV: Wizard and Glass, The Dark Tower V: Wolves of the Calla, The Dark Tower VI: Song of Susannah, The Dark Tower VII: The Dark Tower, The Dark Tower: The Wind Through the Keyhole, Carrie, 'Salem's Lot, The Shining, Night Shift, The Stand, The Dead Zone, Different Seasons, Christine, The Talisman (with Peter Straub), The Eyes of the Dragon, Skeleton Crew, Misery, Four Past Midnight, Nightmares & Dreamscapes, Insomnia, The Green Mile, Hearts in Atlantis, Black House (with Peter Straub), Everything's Eventual, The Colorado Kid, Lisey's Story, Just After Sunset, Full Dark, No Stars, 11/22/63, Joyland, Doctor Sleep, The Bazaar of Bad Dreams)
- Donald Kingsbury (Courtship Rite, The Moon Goddess and the Son, Psychohistorical Crisis)
- Rudyard Kipling (With the Night Mail and As Easy As A.B.C..)
- T. E. D. Klein (The Ceremonies, Dark Gods)
- Damon Knight (Far Out.)
- Norman L. Knight (A Torrent of Faces (with James Blish).)
- Kathe Koja (Six Stories)
- Dean Koontz (Demon Seed)
- Cyril M. Kornbluth (Outpost Mars (with Judith Merril), Gunner Cade (with Judith Merril), Takeoff, The Space Merchants (with Frederik Pohl), The Syndic, Search the Sky (with Frederik Pohl), Gladiator-At-Law (with Frederik Pohl), Not This August, Wolfbane (with Frederik Pohl), The Best of C. M. Kornbluth, Our Best: The Best of Frederik Pohl and C. M. Kornbluth (with Frederik Pohl), Eight Worlds of C. M. Kornbluth.)
- Nancy Kress (Crossfire, Future Perfect: Six Stories of Genetic Engineering, The Body Human: Three Stories of Future Medicine, AI Unbound: Two Stories of Artificial Intelligence)
- Michael P. Kube-McDowell (The Trigger (with Arthur C. Clarke))
- Michael Kurland (First Cycle (from a H. Beam Piper outline))
- Henry Kuttner (The Creature from Beyond Infinity, Earth's Last Citadel (with C. L. Moore), The Fairy Chessmen (with C. L. Moore), Valley of the Flame, The Dark World, Tomorrow and Tomorrow (with C. L. Moore), Fury (with C. L. Moore), The Mask of Circe, The Time Axis, Beyond Earth's Gates (with C. L. Moore), The Well of the Worlds, Robots Have No Tails, Ahead of Time, Mutant (with C. L. Moore), No Boundaries (with C. L. Moore), The Best of Henry Kuttner, Elak of Atlantis, The Book of Iod.)
- Mercedes Lackey (The Elvenbane (with Andre Norton), Fiddler Fair, Werehunter, The Wizard of Karres (with Eric Flint and Dave Freer))
- R. A. Lafferty (Past Master, Space Chantey, Fourth Mansions, The Best of R. A. Lafferty.)
- Jay Lake (Mainspring, METAtropolis: The Wings We Dare Aspire (with Ken Scholes).)
- Geoffrey A. Landis (Myths, Legends, and True History)
- Keith Laumer (The Compleat Bolo, Envoy to New Worlds, Galactic Diplomat, Retief's War, Retief and the Warlords, Retief: Ambassador to Space, Retief of the CDT, Retief's Ransom, Retief: Emissary to the Stars, Worlds of the Imperium, The Other Side of Time, Assignment in Nowhere, The Time Bender, The World Shuffler, The Shape Changer, A Trace of Memory, The Great Time Machine Hoax, A Plague of Demons, Earthblood (with Rosel George Brown), Catastrophe Planet, The Monitors, Galactic Odyssey, Planet Run (with Gordon R. Dickson), The Long Twilight, The House in November, Time Trap, The Star Treasure, Dinosaur Beach, The Infinite Cage, Night of Delusions, The Glory Game, Odyssey, The Lighter Side, A Plague of Demons, Future Imperfect, Legions of Space, The Long Twilight and Other Stories, Earthblood and Other Stories (with Rosel George Brown).)
- Ann Leckie (Ancillary Justice, Ancillary Sword, Ancillary Mercy, Provenance)
- Gentry Lee (Cradle, Rama II, The Garden of Rama, Rama Revealed (with Arthur C. Clarke))
- Tanith Lee (The Birthgrave, Don't Bite the Sun, The Storm Lord, Drinking Sapphire Wine, Volkhavaar, Electric Forest, Sabella, Day by Night, The Silver Metal Lover, Cyrion, Red as Blood, or Tales from the Sisters Grimmer, The Gorgon and Other Beastly Tales, Days of Grass, Dreams of Dark and Light: The Great Short Fiction of Tanith Lee, Women as Demons, Forests of The Night.)
- Yoon Ha Lee (Conservation of Shadows)
- Ursula K. Le Guin (Rocannon's World, Planet of Exile, City of Illusions, A Wizard of Earthsea, The Left Hand of Darkness, The Tombs of Atuan, The Lathe of Heaven, The Farthest Shore, The Dispossessed, The Word for World Is Forest, The Eye of the Heron, The Beginning Place, Always Coming Home, Tehanu, Four Ways to Forgiveness, The Telling, Tales from Earthsea, The Other Wind, Gifts, Voices, Powers, Lavinia, The Wind's Twelve Quarters, The Compass Rose, A Fisherman of the Inland Sea, Unlocking the Air and Other Stories, The Birthday of the World and Other Stories, Changing Planes, The Unreal and the Real: Selected Stories: Volume 1: Where on Earth, The Unreal and the Real: Selected Stories: Volume 2: Outer Space, Inner Lands.)
- Fritz Leiber (Swords and Deviltry, Swords Against Death, Swords in the Mist, Swords Against Wizardry, The Swords of Lankhmar, Swords and Ice Magic, The Knight and Knave of Swords, Conjure Wife, Gather, Darkness!, Destiny Times Three, The Sinful Ones, The Green Millennium, The Big Time, The Silver Eggheads, The Wanderer, Tarzan and the Valley of Gold, A Spectre is Haunting Texas, Our Lady of Darkness, Ships to the Stars, The Best of Fritz Leiber, The Worlds of Fritz Leiber, Ship of Shadows, Changewar, The Black Gondolier and Other Stories, Smoke Ghost and Other Apparitions, Day Dark, Night Bright, Fritz Leiber and H. P. Lovecraft: Writers of the Dark, Horrible Imaginings, Fritz Leiber: Selected Stories.)
- Murray Leinster (Murder Madness, Space Platform, Space Tug, The Black Galaxy, Gateway to Elsewhere, Operation: Outer Space, The Forgotten Planet, Colonial Survey, The Monster from Earth's End, The Mutant Weapon, The Pirates of Zan, The Wailing Asteroid, This World Is Taboo, Creatures of the Abyss, Operation Terror, Talents, Incorporated, The Duplicators, Get Off My World!, Med Ship, Planets of Adventure, A Logic Named Joe.)
- Stanisław Lem (The Star Diaries, Solaris, Mortal Engines, The Cyberiad, Tales of Pirx the Pilot, The Futurological Congress, Fiasco.)
- Madeleine L'Engle (A Wrinkle in Time, A Swiftly Tilting Planet.)
- Edward M. Lerner (Small Miracles, A Stranger in Paradise)
- Doris Lessing (The Memoirs of a Survivor.)
- Ira Levin (Rosemary's Baby, This Perfect Day, The Stepford Wives, The Boys from Brazil, Sliver, Son of Rosemary.)
- C. S. Lewis (Out of the Silent Planet, Perelandra, That Hideous Strength, The Lion, the Witch and the Wardrobe, Prince Caspian, The Voyage of the Dawn Treader, The Silver Chair, The Horse and His Boy, The Magician's Nephew, The Last Battle, The Dark Tower and Other Stories.)
- Sinclair Lewis (It Can't Happen Here.)
- David Lindsay (A Voyage to Arcturus.)
- Kelly Link (Stranger Things Happen, Magic for Beginners)
- Ken Liu (The Grace of Kings, The Paper Menagerie and Other Stories)
- Jack London (The Iron Heel, The Scarlet Plague, The Star Rover.)
- Frank Belknap Long (Space Station No. 1, Mars Is My Destination, The Three Faces of Time, Survival World.)
- Barry B. Longyear (Manifest Destiny)
- H. P. Lovecraft (Necronomicon: The Best Weird Tales of H. P. Lovecraft: Commemorative Edition, Eldritch Tales: A Miscellany of the Macabre.)
- Robert A. W. Lowndes (The Duplicated Man (with James Blish).)
- R. A. MacAvoy (Tea with the Black Dragon)
- George MacDonald (The Princess and the Goblin.)
- John D. MacDonald (Other Times, Other Worlds.)
- Arthur Machen (The Three Impostors, The House of Souls, The Angels of Mons: The Bowmen and Other Legends of the War.)
- Katherine MacLean (Cosmic Checkmate (with Charles V. De Vet), The Diploids, Missing Man, The Trouble With You Earth People.)
- Ian R. MacLeod (Wake Up and Dream)
- Ken MacLeod (The Star Fraction, The Stone Canal, The Cassini Division, The Sky Road, Cosmonaut Keep, Dark Light, Engine City, Newton's Wake: A Space Opera, Learning the World: A Novel of First Contact, The Execution Channel, The Night Sessions, The Restoration Game, Intrusion, Descent, Poems (with Iain M. Banks))
- Barry N. Malzberg (The Very Best of Barry N. Malzberg)
- Emily St. John Mandel (Station Eleven)
- Phillip Mann (The Disestablishment of Paradise.)
- George R. R. Martin (Dying of the Light, Windhaven (with Lisa Tuttle), Fevre Dream, The Armageddon Rag, Nightflyers and Other Stories, Tuf Voyaging, A Game of Thrones, A Clash of Kings, A Storm of Swords, Dreamsongs: A RRetrospective, A Feast for Crows, Hunter's Run (with Daniel Abraham and Gardner Dozois), A Dance with Dragons)
- Lisa Mason (Strange Ladies)
- David I. Masson (The Caltraps of Time.)
- Richard Matheson (I Am Legend, The Shrinking Man, The Best of Richard Matheson.)
- Julian May (The Many-Coloured Land.)
- Paul J. McAuley (Four Hundred Billion Stars, Secret Harmonies, The King of the Hill, Eternal Light, Red Dust, Pasquale's Angel, Fairyland, The Invisible Country, Child of the River, Ancients of Days, Shrine of Stars, Little Machines, Cowboy Angels, The Quiet War, Gardens of the Sun, In the Mouth of the Whale, A Very British History, Evening's Empires, Something Coming Through, Into Everywhere, Austral, War of the Maps, Beyond the Burn Line)
- Anne McCaffrey (Restoree, Dragonflight, Decision at Doona, The Ship Who Sang, Dragonquest, To Ride Pegasus, Dragonsong, Dragonsinger, Get Off the Unicorn, Dinosaur Planet, The White Dragon, Dragondrums, The Crystal Singer, Moreta: Dragonlady of Pern, Dinosaur Planet II: Survivors, Killashandra, Nerilka's Story & The Coelura, Dragonsdawn, The Renegades of Pern, All the Weyrs of Pern, Crisis on Doona (with Jody Lynn Nye), Crystal Line, The Chronicles of Pern: First Fall, The Girl Who Heard Dragons, The Dolphins of Pern, Red Star Rising, The Masterharper of Pern, The Skies of Pern.)
- Cormac McCarthy (The Road.)
- Jack McDevitt (The Hercules Text, A Talent for War, The Engines of God, Ancient Shores, Eternity Road, Moonfall, Infinity Beach, Deepsix, Chindi, Omega, Polaris, Seeker, Odyssey, Cauldron, The Devil's Eye, Time Travelers Never Die, Echo, Firebird, The Cassandra Project (with Mike Resnick), Starhawk, Coming Home, Thunderbird, The Long Sunset)
- Ian McDonald (Desolation Road, Luna: New Moon, The Menace from Farside)
- John J. McGuire (Null-ABC, Lone Star Planet (with H. Beam Piper).)
- Maureen F. McHugh (Mothers and Other Monsters: Stories)
- J. T. McIntosh (World Out of Mind.)
- Vonda N. McIntyre (The Exile Waiting, Dreamsnake, Fireflood and Other Stories, Superluminal, Barbary, Starfarers, Transition, Metaphase, Nautilus, The Moon and the Sun.)
- Richard McKenna (Casey Agonistes and Other Science Fiction and Fantasy Stories.)
- Patricia A. McKillip (The Forgotten Beasts of Eld.)
- Mike McQuay (Richter 10 (from an Arthur C. Clarke outline).)
- John Meaney (Absorption)
- Judith Merril (Outpost Mars (with C. M. Kornbluth), Gunner Cade (with C. M. Kornbluth), Homecalling and Other Stories: The Complete Solo Short SF of Judith Merril.)
- A. Merritt (The Moon Pool, The Metal Monster, The Ship of Ishtar, Seven Footprints to Satan, The Face in the Abyss, Dwellers in the Mirage, Burn, Witch, Burn!, Creep, Shadow!, The Fox Woman and Other Stories.)
- China Miéville (King Rat, Perdido Street Station, The Scar, Iron Council, Looking for Jake, Un Lun Dun, The City & the City, Kraken, Embassytown, Railsea, Three Moments of an Explosion: Stories, This Census-Taker, The Last Days of New Paris)
- P. Schuyler Miller (Genus Homo (with L. Sprague de Camp).)
- R. DeWitt Miller (The Man Who Lived Forever (with Anna Hunger).)
- Walter M. Miller Jr. (A Canticle for Leibowitz, The View from the Stars, Saint Leibowitz and the Wild Horse Woman (completed by Terry Bisson), Dark Benediction.)
- Hope Mirrlees (Lud-in-the-Mist.)
- David Mitchell (Ghostwritten, number9dream, Cloud Atlas, Black Swan Green, The Thousand Autumns of Jacob de Zoet, The Bone Clocks, Slade House, Utopia Avenue)
- Naomi Mitchison (Memoirs of a Spacewoman.)
- Laura J. Mixon (Up Against It)
- Moebius (Arzach, The Long Tomorrow, The Airtight Garage.)
- Elizabeth Moon (Remnant Population, Speed of Dark, Lunar Activity, Phases, Moon Flights)
- Michael Moorcock (The Stealer of Souls, Stormbringer, Elric of Melniboné and Other Stories, Elric: The Fortress of the Pearl, Elric: The Sailor on the Seas of Fate, Elric: The Sleeping Sorceress, Elric: The Revenge of the Rose, Elric: Stormbringer!, Daughter of Dreams, Destiny's Brother, Son of the Wolf, The Citadel of Forgotten Myths, City of the Beast, Lord of the Spiders, Masters of the Pit, The Jewel in the Skull, The Mad God's Amulet, The Sword of the Dawn, The Runestaff, Count Brass, The Champion of Garathorm, The Quest for Tanelorn, The Final Programme, A Cure for Cancer, The English Assassin: A Romance of Entropy, The Condition of Muzak, The Distant Suns, Jerry Cornelius: His Lives and His Times, A Cornelius Calendar, The Eternal Champion, Phoenix in Obsidian, The Dragon in the Sword, The Knight of the Swords, The Queen of the Swords, The King of the Swords, The Bull and the Spear, The Oak and the Ram, The Sword and the Stallion, The Warlord of the Air, The Land Leviathan, The Steel Tsar, An Alien Heat, The Hollow Lands, The End of All Songs, Tales from the End of Time, The War Hound and the World's Pain, The City in the Autumn Stars, Blood, Fabulous Harbours, The War Amongst the Angels, The Sundered Worlds, The Winds of Limbo, The Shores of Death, The Wrecks of Time, Behold the Man, The Ice Schooner, The Black Corridor, Sojan the Swordsman, Gloriana, or, The Unfulfill'd Queen, The Golden Barge, My Experiences in the Third World War and Other Stories, The Brothel in Rosenstrasse and Other Stories, Breakfast in the Ruins and Other Stories, The Whispering Swarm, The Woods of Arcady)
- Alan Moore (Watchmen (art by Dave Gibbons), V for Vendetta (art by David Lloyd), The Ballad of Halo Jones (art by Ian Gibson), D.R. and Quinch - Definitive Edition (art by Alan Davis), The Complete Future Shocks)
- C. L. Moore (Earth's Last Citadel (with Henry Kuttner), The Fairy Chessmen (with Henry Kuttner), Tomorrow and Tomorrow (with Henry Kuttner), Fury (with Henry Kuttner), Beyond Earth's Gates (with Henry Kuttner), Judgment Night, Mutant (with Henry Kuttner), No Boundaries (with Henry Kuttner), Doomsday Morning, The Best of C. L. Moore, Black God's Kiss, Northwest of Earth: The Complete Northwest Smith.)
- Christopher Moore (Practical Demonkeeping)
- Ward Moore (Greener Than You Think, Bring the Jubilee.)
- William Morris (News from Nowhere (or, An Epoch of Rest).)
- James Morrow (This is the Way the World Ends)
- Pat Murphy (The Shadow Hunter, The Falling Woman, The City, Not Long After, Points of Departure, Nadya: The Werewolf Chronicles, There and Back Again, Wild Angel, Adventures in Time and Space with Max Merriwell, Women Up to No Good)
- Howard L. Myers (The Creatures of Man, A Sense of Infinity.)