Foundation's Fear
Gregory Benford
Second Foundation (1)
The Gypsy Morph
Terry Brooks
Genesis of Shannara (3)
Bloodlines
Loren Coleman
Magic the Gathering: Artifacts Cycle (4)
Wicked in Your Arms
Sophie Jordan
Rise of the Dragons
Morgan Rice
Kings and Sorcerers (1)
Roads Not Taken
Harry Turtledove
Roadside Picnic
Arkady Strugatsky
Robopocalypse
Daniel Wilson
The Robots of Dawn
Isaac Asimov
Robots Versus Slime Monsters
A. Lee Martinez
Roc and a Hard Place
Piers Anthony
Xanth (19)
Rogue, Prisoner, Princess
Of Crowns and Glory (2)
Rolling Thunder
John Varley
Thunder and Lightning (3)
A Rule of Queens
Sorcerer's Ring (13)
Ruler, Rival, Exile
Of Crowns and Glory (7)
The Running Man
Stephen King
Running with the Demon
Word and the Void (1)
Salamis
Hellenic Traders (5)
Scythe
Neal Shusterman
Arc of a Scythe (1)
The Sea is Full of Stars
Jack L. Chalker
Well of Souls (6)
Season of the Sandstorms
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Magic Tree House (34)
Second Contact
Tosev Timeline (5)
Second Foundation
Foundation (3)
The Seeds of Doom
Philip Hinchcliffe
Doctor Who (55)
Senlin Ascends
Josiah Bancroft
Babel (1)
Service Model
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Seveneves
Neal Stephenson
Seventh Son
Orson Scott Card
Tales of Alvin Maker (1)
Shadow of the Giant
Shadow Saga (4)
Shadows in Flight
Shadow Saga (5)
Shadows of the Well of Souls
Well of Souls (9)
Shards of Earth
Final Architecture (1)
Shocking Trouble on the Planet of Shobble #2
Liane Moriarty
Nicola Berry (Space Brigade) (2)
Shroud
Six Wakes
Mur Lafferty
A Sky of Spells
Sorcerer's Ring (9)
Skyward
Brandon Sanderson
Skyward (1)
Slave, Warrior, Queen
Of Crowns and Glory (1)
Slide
Jill Hathaway
Small Gods
Terry Pratchett
Discworld (13)
Small Magic
Snapshot
The Snow Queen
Joan D. Vinge
Snow Queen (1)
So Long, and Thanks for All the Fish
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Hitchhiker's Guide To The Galaxy (4)
Soft Apocalypse
Will McIntosh
Soldier, Brother, Sorcerer
Of Crowns and Glory (5)
Solis
A. A. Attanasio
Son of Heaven
David Wingrove
Chung Kuo (0.5)
Chung Kuo Recast (1)
Song of a Dead Star
Zamil Akhtar
Songmaster
Songs of the Dancing Gods
Dancing Gods (4)
The Sorcerer's Daughter
Defenders of Shannara (3)
Space
Stephen Baxter
Manifold (2)
The Space Museum
Glyn Jones
Doctor Who (117)
Spell or High Water
Scott Meyer
Magic 2.0 (2)
Stage Fright on a Summer Night
Magic Tree House (25)
Star Strike
Ian Douglas
Inheritance Trilogy (1)
Starshield Sentinels
Margaret Weis
Starshield (1)
Starship Defender: Beyond Human Space
Michael Keats
Starship Repo
Patrick S. Tomlinson
Starship Troopers
Robert A. Heinlein
Starsight
Skyward (2)
Starter Villain
John Scalzi