- S is for Space
- S pokorou a nadějí
- S'il suffisait d'aimer
- S.E.L.I.A.'s Promise
- S.N.U.F.F.
- S.O.N.O.
- S/trek Rings Of Tautee
- S/trek Tos #82 Mind Meld
- Sa Bête Cyborg
- Sa Compagne Vierge
- Sa Princesse Vierge
- Sa Promise Vierge
- Sa Rebelle Humaine
- Sa Vassale Humaine
- Saat des Himmels
- Sabers Herausforderung
- Sabia Zeilor (Ediția română)
- Sabin: Alien Warrior
- Sabina's Expedition to Stop the Apocalypse
- Sabina's Pursuit of The Holy Grail
- Sabotage
- Sabotage im Hyperraum
- Sac'a'rith: Rebirth
- Sacerdotisa de la Eggstone
- SACIA: Survival
- Sacraments of Fire
- Sacred Alarm Clock
- Sacred Ground
- Sacred Honor
- Sacrifice
- Sacrifice of Fools
- Sacrifice Play: A Tale from the Arbiter Chronicles
- SACSAYHUAMAN
- Sadhu Futuro
- Sadie Walker Is Stranded
- Safe Harbor: A Zone Cyborgs Short Story
- Safe Haven: A Steampunk Romance
- Safehold Boxed Set 1
- Safepole
- Saga de la cultura: Pack 1
- Saga la flota perdida
- Saga of an Empire
- Saga of the Scout
- Sagramanda
- Sailing Bright Eternity
- Sailing the Cosmos
- Sailing Time's Ocean
- Sailor to a Siren
- Saint Augustine
- Saint Bob l'incroyant
- Saints Astray
- Salad Days
- Sale temps pour un Mutant
- Salmon Run Collection (Salmon Run - Books 1-3)
- Sale temps pour un Mutant
- Salmon Run Collection (Salmon Run - Books 1-3)
- Salt
- Salt Lick
- Saltos y asaltos del piloto Jim
- Salvage
- Salvage Trouble
- Salvage-5
- Salvage-5: Final Mission
- Salvaged
- Salvaging Outer Space: Azrik Richards New Partnership Journal
- Salvaging Outer Space: Blair's 1st Journal
- Salvaging Outer Space: Laruge's Salvage Journal 1
- Salvation
- Salvation City
- Salvation Lost: Salvation Sequence Book 2
- Salvation Polarity
- Salvation: Salvation Sequence Book 1
- Sam's trip to Mars
- Sam, This is You
- Samael o anjo cego
- Samantha's Cosmic Diary
- Samantha: Time Travel
- Samaritans
- Sammelband Die Wormhole-Affäre Band 1-6 Sechs SF-Romane
- Sammelband Die Wormhole-Affäre Band 1-6 Sechs SF-Romane.