- Skyjackers: Season One
- Skykeep
- Skylark
- Skylark Three
- Skylight Dying
- SkyLine: The Captain, The Billionaire Boat and The Dragon Crusader
- SkyLine: The Dogs of War
- SkyLine: The Dragon Commander
- Skylock
- Skylords Return
- Skymningslandet
- Skypirate
- Skyships Over Innsmouth
- Skysworn
- Skytrails Part One
- Skyward
- Skywatch
- Skyway
- Skärvor av en brusten värld
- Skärvor av ett brustet sinne
- Skärvor av hat
- Skönheten och Odjuret
- Skördad
- Slaap lekker, kleine wolf – Qongchu', ngavyaw' mach (Nederlands – Klingon)
- Slab City Blues: The Collected Stories
- Slade House
- Slaget om framtiden
- Slammer
- Slanted Jack
- Slapen in een zee van sterren
- Slapende reuzen
- Slate Run Annual Vol 2
- Slaughter In The Ashes
- Slaughterhouse 5
- Slaughterhouse World
- Slave
- Slave Against the Galaxy
- Slave Empire III: The Shrike
- Slave Empire: Prophecy
- Slave Empire: The Crystal Ship
- Slave Girls Of Outer Space
- Slave Planet
- Slave Planet (Serapis Classics)
- Slave Planet and seven more Stories
- Slave Princess
- Slave Ship: Star Wars (The Bounty Hunter Wars)
- Slave Skin
- Slave to the Alien Dragon
- Slave to War
- Slavemakers
- Slaves
- Slaves of Hyperion (Star Crusades Uprising, Book 6)
- Slaves of the Switchboard of Doom
- Sledgehammer
- Sleep State Interrupt
- Sleep Tight, Little Wolf – Qongchu', ngavyaw' mach (English – Klingon)
- Sleeper
- Sleeping Beauties
- Sleeping Booty
- Sleeping Planet
- Sleeping with the Enemy
- Sleepwalk City
- Sleepwalker
- Sleepwalker's World
- Sleepwater Beat
- Sliding Scales
- Slightly Ruby
- Slip/Stream: Red Right Hand
- Slippery Times
- Slipping the Past
- Slipt
- Slithers
- Sloan
- Sloan's Journey
- Slow And Ache
- Slow Apocalypse
- Slow Days
- Slow Dreaming
- Slow Echoes
- Slow River
- Slow Sculpture
- Slow Train to Arcturus
- Slow Up
- Slowdown - 2 - Un monde immo'bile
- Slumpens källkod
- Slurptooth
- Small Boy
- Small Changes
- Small Steps
- Smallworld: A Science Fiction Adventure Comedy
- Smart Birthday
- Smart Bomb
- SmartYellow™
- Smith's Monthly #25
- Smith's Monthly #53
- Smith's Monthly #54
- Smithereens
- Smoke & Mirror
- Smoke and Fears
- Smoke and Mirrors
- Smoke And Mirrors
- Smoke from the Ashes