- Sins of the Child
- Sins of the Fathers
- Sins of the Warrior
- Sins, Sacrifice, & Salvation
- Sioux Fall
- Siquijor Seduction Zone
- Sir Aloyius T. Periwinkle's Mortalia Adventurarium
- Sir Charles Danvers
- Sir Gawain y el Caballero Verde
- Sir Gibbie
- Sir Henry Morgan, Buccaneer: A Romance of the Spanish Main
- Sir Ian Peters
- Sir Lancelot Saves the Day
- Sir Nigel
- SIR NIGEL & THE WHITE COMPANY (Illustrated)
- Sir Percy Leads the Band
- Sir Quixote of the Moors
- Sir Rogue
- Sir Walter Raleigh
- Siren Silence: The Fate of Cpt. Bacchus (A King of The Caves Novella)
- Siren's Call
- Sirens of the Norse Sea Vol.1
- Sirens of the Norse Sea Vol.2
- Siria - un diario in tempo di pace
- Sirion - O Começo
- Sirota X
- Sisi yang Berlawanan
- Sisimito I - Ox Witz Ha
- Sisimito II - Xibalba
- Sisimito III - Topoxte
- Sisimito IV
- Sissit
- Sistema Dharma: Livro Básico (versão Desatualizada)
- Sister of the Dead
- Sister of the Sword
- Sister Road Trip Saison 1
- Sister's Shadow
- Sisterhood Bundle
- Sisters
- Sisters at War
- Sisters of Salvation: Cult of Z
- Sisters of the Fire
- Sisters: Sorcery and Steel
- Sisyphe
- Sitara
- Sitges
- Sitka
- Situación límite
- Six Against the Stars
- Six billets de cent francs
- Six Bits a Day
- Six Days in Matsugi
- Six Days to Sundown
- Six Days to Zeus: Please Don't Call me Hero
- Six Feet Under and Killing It
- Six for the Money
- Six Giants and a Griffin and Other Stories
- Six heures : La Salle d'armes
- Six Moon Dance
- Six Points In Time
- Six Seconds
- Six Ways From Sunday
- Six Weeks
- Six Women and the Invasion
- Six Years with the Texas Rangers 1875 to 1881
- Six-Gun Gorilla
- Six-Gun Man
- Sixes and Sevens
- Sixguns and Double Eagles
- Sixteen
- Sixteen in Nome
- Sixth Fleet, The: Seawolf
- SixToe
- SixToe and the Woman
- Sixty Days and Counting
- Sixty Folk-Tales from Exclusively Slavonic Sources
- Sixty Minutes for St. George
- Sixty-Four Degrees
- Size Matters
- Sjena noći
- Sjørøverne i Hankøsundet
- Skaar
- Skarb w Srebrnym Jeziorze
- Skarby
- Skeleton
- Skeleton Hand
- Skeleton Island Fountain Of Youth
- Skeleton Lode
- Skeleton Trail
- Skeleton-in-Waiting
- Sketches by Boz (Illustrated)
- Sketches New and Old (Complete)
- Sketches New and Old, Complete (Illustrated)
- Sketches of Gotham
- Skill
- Skin and Blister
- Skin and Bones
- Skin Deep
- Skinhead Away
- Skinner's War
- Skinz
- Skipper Worse
- Skitter
- Skjebnen til Engler
- Skorm le dieu oublié