- Smoking Mirrors and Other Stories
- Smothered Seas
- Smutpunk Erotica Collab
- Små män kastar långa skuggor: Sagan om Isfolket 38
- SNAFU
- Snakeskin Road
- Snapshot
- Snare
- Snarlers: Tales of The Viral Apocalypse
- Snatched
- SNICK SNACK RYMDEN (Epub2)
- Sniegā
- Snipers
- Snot-Nosed Aliens: Stories from Pulphouse Fiction Magazine
- Snow
- Snow Beast
- Snow Cheetah
- Snow Crash
- Snow Fall
- Snow Gift
- Snow in the Desert (Short Reads)
- Snow Maiden
- Snowball
- Snowbound
- Snowed in with the Alien Dragon
- Snowed In: Jude and Cal
- Snöportalen I
- SNÖPORTALEN II
- Snösommar
- So Bright the Stars
- So Close To Home
- So Dark the Sky
- So Long, and Thanks for All the Fish
- So Still the Dawn
- So this is Earth?
- So Wild A Dream: The Complete Story
- So You Want To Be A Dragon Slayer...
- Soaring
- Sobre los nerds y otras criaturas mitológicas
- Sociedade dos meninos gênios
- Socioterna
- Socko's First Day
- Sockpuppet
- Socks and Pins and Aliens
- Socrates' Child
- Sodom and Gomorrah, Texas
- Sodom and Gomorrah, Texas and eight more stories
- SODOMA come sarà il mondo tra cinquant'anni
- Soeverein
- Sofia and the Utopia Machine: A Novel
- Soft Apocalypse
- Soft Apocalypses
- Softspoken
- Software
- Sojan the Swordsman
- Sojourn
- Sol av Isfolket: Ljusets rike 9
- Sol Survivor
- Solan
- Solar Express
- Solar Federation
- Solar Heat
- Solar Rift : 2120
- Solar Stiff
- Solar Storm: Book 1
- Solar Storm: Book 3
- Solar Storm: Book 4
- Solar Storm: Book 5
- Solar Warden
- Solaris 189
- Solaris 191
- Solaris 193
- Solaris 194
- Solaris 195
- Solaris 196
- Solaris 197
- Solaris 198
- Solaris 199
- Solaris 200
- Solaris 201
- Solaris 202
- Solaris 203
- Solaris 204
- Solaris 205
- Solaris 206
- Solaris 207
- Solaris 208
- Solaris 209
- Solaris 210
- Solaris 211
- Solaris 212
- Solaris 213
- Solaris 214
- Solaris 215
- Solaris 216
- Solaris 217
- Solaris 218
- Solaris 219
- Solaris 220
- Solaris Seeks
- Solaris Seethes
- Solaris Seethes (The Complete Saga)
- Solaris Soars
- Solarpunk: Ecological and Fantastical Stories in a Sustainable World
- SolAs
- Sold - For a Spaceship
- Sold to the Barbarian
- Soldat-X
- Soldier Island
- Soldier of Charity
- Soldier of the Legion
- Soldier's Destiny
- Soldier's Duty
- Soldier, Ask Not
- Soldierina
- Soldiers and Secrets
- Soldiers of God
- Soldiers of Misfortune: Cradle To The Grave
- Soldiers of Misfortune: Parasite Lost
- Soldiers of Misfortune: Trial By Fire
- Soldiers One: Warriors of Misfortune
- Soldiers Out of Time
- Soldiers Three: Warriors of Strength
- Soldiers Two: Warriors of Courage
- Soldiers! A Chronicle from the 31st Century (Part One)
- Soldiers! A Chronicle from the 31st Century (Part Two)
- Sole giaguaro
- Soledad - Dark Republic Book One
- Soleil chaud poisson des profondeurs
- Soleil vert
- Solestara
- Solhjärtats hemlighet - Saltregnen
- Solhjärtats hemlighet - Silverdrottningen
- Solhjärtats hemlighet - Skuggljusen
- Solia's Moon
- Solicia
- Solid Solution
- Solip:System (Hardwired Series)
- Solitary Man
- Solitary Refinement
- Solo
- Solo Command
- Solo per poco, solo per sempre
- Solo un enemigo: El tiempo
- Solo una brutta giornata
- Solo: A Star Wars Story
- Solomon's Arrow