- Solstice on Vintro
- Solution
- Solution Uprising : Prossia Book 3
- Soluzione Omega
- Soléa
- Sombras de identidad (Nacidos de la bruma [Mistborn] 5)
- Sombras en fuga (Saga de la Sombra de Ender 5)
- Sombre est l'espace
- Some Enchanted Waltz
- Some Golden Harbor
- Some Like It Cold
- Some of the Best from Tor.com: 2015
- Some Things Transcend
- Some Time Away (Lovers in Time Series, Book 3)
- Some Vampires Shimmy
- Somebody's Monster
- Someone Comes to Town, Someone Leaves Town
- Someone to Watch Over Me
- Something Wild Is Loose
- Sometimes We Ran 3: Rescue
- Sometimes We Ran 4: Survival
- Somewhere in the long forgotten future
- Somewhere To Run To
- Somorra - Stadt der Lüge: Ein Fantasy-Spielbuch
- Somorra - Stadt der Träume: Ein Fantasy-Spielbuch
- Son Compagnon et Maître
- Son Esclave Humaine
- Son Kehanet
- Son of Man
- Son of Orlan
- Son of Rozari Box Set
- Son of the Dragon
- Son of the Emperor, The Last War: Book Two
- Son partenaire particulier
- Song in the waves
- Song of Blood
- Song of Kai
- Song of the Badlands
- Song of the Brakeman
- Song of the Soulless
- Song of Time
- Song's End
- Songlands
- Songs of Cosmos Prologue
- Sonhando com as Flores
- Sonhando com o Apocalipse
- Sonno verde
- Sono atomi di stelle
- Sonorous
- Sons of Baal
- Sons of Lyra Anthology
- Sons Of Orion
- Sophie is Barbarella
- Sophie l’obscure
- Sopravvissuti alla Nebbia
- Sora
- Sorcery and Stardust
- Sorcery and Subterfuge
- Sorcière corporate - Tome 1
- Sord in Prosperity - Hope Beyond the Apocalypse
- SOS
- Sostener el cielo
- Sotto i giunchi
- Sotto i soli di Gwalthur
- Sottosuolo
- Sotuknang: E.B.E. House Guest
- Soul Code
- Soul Eaters
- Soul Equinox
- Soul Maker
- Soul Match
- SOUL responsibility
- SOUL SEEKER (Gehenna, Book 1)
- Soul Singer
- Soul Thieves
- Soul's Asylum
- Soul's Asylum - Star Weaver
- Soul's Asylum - The Swarm
- Soulblade
- Soulbound
- Soulburner
- Soulguard
- Soulless Logic
- SOULMATES
- Soulrazor
- Souls in the Great Machine
- Souls of the Never
- Soulstone: Awakening
- Soulstone: Oblivion
- Soulstone: The Skeleton King
- Soultaker
- Soumise aux Cyborgs
- Soumission
- Sound of Terror
- Soundrise
- Source de jouvence
- Source: An Amberlight Novel
- South African Memories
- South of the Border
- South Seas Salvation
- South Star
- Souvenir Hunters from Mars
- Souvenir vom Atair
- Sov gott, lilla vargen – Qongchu', ngavyaw' mach (svenska – klingonska)
- Sovereign
- Sovereigns of the Collapse Book 1: Death by Decent Society
- Sovereigns of the Collapse Book 2: The Night of Blind Ambition
- Sovereigns of the Collapse Book 3: The Church of Nuclear Science
- Sovereigns of the Collapse Book 4: Operation Ultimate
- Sovereigns of the Collapse Book 5: Nuclear Nightminster
- Sovereignty