- Spartana – Juan José Gómez Cadenas
- Speaker for the Dead – Orson Scott Card
- Speaking in Bones – Kathy Reichs
- Speaking in silver – Ignacio Ochoa
- Spectrum – Perry Anderson
- Speer, el arquitecto de Hitler – Martin Kitchen
- Spellcraft For Men – A. J. Drew Wicca
- Spiculus – Juan Tranche
- Spider Bones – Kathy Reichs
- Spiderlight – Adrian Tchaikovsky
- Spike – Kathy Reichs y Brendan Reichs
- Spin – Robert Charles Wilson
- Spinal Tap – César Martín
- Spinoza – Joan Solé
- Spira, la Fada de Foc – Joana Pol
- Spiral – Koji Suzuki
- Spotify – Charlotte Bouillot
- SPQR – Mary Beard
- Spring in practice – Willie Wheeler and Joshua White
- Springfield – Sergio Olguín
- Srta. Marple y 13 problemas – Agatha Christie
- SS. Una historia nueva – Adrian Weale
- St. Irvyne – Percy Bysshe Shelley
- Stalin – Richard Lourie
- Stalin – Robert Service
- Stalin, historia y crítica de una leyenda negra – Domenico Losurdo
- Stalin. El tirano rojo – Álvaro Lozano Cutanda
- Stalingrado – Jochen Hellbeck
- Stalingrado – Theodor Plievier
- Stalingrado – Vasili Grossman
- Stalker, pícnic a la vora del camí – Arkadi i Boris Strugatski
- Stalky & Cía – Rudyard Kipling
- Stamboul train – Graham Greene
- Stand into Danger – Alexander Kent
- Stand on Zanzibar – John Brunner
- Stanley Kubrick – Antonio Castro
- Stanley y las mujeres – Kingsley Amis
- Star Maker – Olaf Stapledon
- Star trek: frontera – Francesc Marí
- Star Wars episode I: the phantom menace – Terry Brooks
- Star Wars Episode II: Attack of the Clones – R. A. Salvatore
- Star wars episode III: revenge of the sith – Matthew Stover
- Star Wars episode IV: A new hope – George Lucas y Alan Dean Foster
- Star Wars episode V: the empire strikes back – Donald F. Glut
- Star Wars episode VI: Return of the Jedi – James Kahn
- Star Wars episode VII: The force awakens – Alan Dean Foster
- Star Wars Thrawn: Treason – Timothy Zahn
- Star Wars. El ascenso de Skywalker – Rae Carson
- Star Wars. Manual de supervivencia – Francesc Marí y Néstor Company
- Star Wars: dark disciple – Christie Golden
- Star Wars: El bueno, el wookie y el malo – Francesc Mari
- Star Wars: El camino de la fuerza – Francesc Marí
- Star Wars: Episodio VII – El despertar de la Fuerza – Alan Dean Foster
- Star Wars: Le llamaban Jar Jar Binks – Francesc Mari
- Star Wars: Tarkin – James Luceno
- Star’s – Barbara Wood
- Stargate, puerta a las estrellas – Dean Devlin y Roland Emmerich
- Starplex – Robert J. Sawyer
- Starship motín – Mike Resnick
- Starship Troopers – Robert A. Heinlein
- Starship: Flagship – Mike Resnick
- Starship: Pirata – Mike Resnick
- Starship: Rebel – Mike Resnick
- Starstruck – Lauren Conrad
- Stasiland – Anna Funder
- Stay Out from the Basement – R. L. Stine
- Stay Sexy & Don’t Get Murdered – Karen Kilgariff
- Stealing Snow – Danielle Paige
- Stealth – Stuart Woods
- Steampunk. Antología Retrofuturista – Félix J. Palma
- Stefano – María Teresa Andruetto
- Stella – Takis Würger
- Stello – Alfred de Vigny
- Stepanchikovo y sus moradores – Fiódor Dostoyevski
- Stephen Hawking – Kitty Ferguson