- Sian and the Winterwife, a Fairytale
- Sibila
- Siblings and Sharing- Children's Family Life Books
- Sibo et la petite mami wata
- Sibrium
- Sibylla
- Sicalípticos y reencauchados
- Sick Kids In Love
- Sicuramente Amici
- Sid the Squid
- Siddhartha
- Side by Side
- Side Effect
- Sidekick Simmons: Enemies and Allies
- Sidekicks 4: The Candy Man Cometh
- Sidekicks 5: The Brotherhood of Rotten Babysitters
- Sidelined
- Sidesaddle
- Sideshow: A Love Story
- Sideways Arithmetic from Wayside School
- Sidste chance
- Sie hatten einen Traum
- Sieben Farben
- Sieben Helden
- Sieben Zwerge für Paulina
- Siedem grzechów głównych
- Siedmiośpiochy
- Siega
- Siege and Storm
- Siege Mentality (ReMade Season 2 Episode 10)
- Siege of Rage and Ruin
- Siegen kann tödlich sein
- Sieger, Besiegter, Sohn (Von Ruhm und Krone – Buch 8)
- Sieger, Besiegter, Sohn (Von Ruhm und Krone – Buch 8)
- Siegfried & the Twilight of the Gods - The Ring of the Nibelung - Volume II - Illustrated by Arthur ...
- Siegfried Der Roman
- Sieh mich
- Sielunkumppani
- Siempre a tu lado
- Siempre con mis amigos
- Siempre dulce
- Siempre estarás tú (Alice y Lucas, una historia de amor 1)
- Siempre has sido tú
- Siempre nos estamos yendo
- Siempre nos quedará el verano (Edición mexicana)
- Siempre será diciembre
- Siempre tú
- Siena Summer
- Sierra Jensen Collection, Vol 1
- Sierra Jensen Collection, Vol 2
- Sierra Jensen Collection, Vol 3
- Sierra Jensen Collection, Vol 4
- Siete formas de mentir
- Siete meses
- Siete noches en California... Y otras noches
- Siete reporteros y un periódico
- Sif and the Dwarfs' Treasures
- Sigge möter Sara
- Sigge och Sara klarar sig själva
- Siggi
- Sight and Sound
- Sight Word Practice (Better Reading Skills) : 3rd Grade Workbooks Series
- Sight Word Practice Skills for Early Readers 2nd Grade Reading Books Edition
- Sight Words 1st Grade Workbook (Baby Professor Learning Books)
- Sight Words 2nd Grade Workbook (Baby Professor Learning Books)
- Sight Words 3rd Grade Workbook (Baby Professor Learning Books)
- Sight Words 4th Grade Workbook (Baby Professor Learning Books)
- Sightless Curse
- Sightwitch
- Sign Language
- Sign Language Workbook for Kids - Learning Made Simple
- Sign of the Black Dagger
- Sign of the Dove
- Sign of the Griffin
- Signal to Noise (ReMade Season 2 Episode 2)
- Signe particulier : Transparente
- Signed by Zelda
- Signed, Skye Harper
- Significant
- Signorina
- Signs of Love: Destiny Date
- Signs of Love: Love Match
- Signs of Love: Paris Crush
- Signs of Love: Stupid Cupid
- Signs of the End of the World
- Signs of You
- Signs Point to Yes
- Signum
- Signé poète X - Dès 14 ans
- Sigurd fortæller H.C. Andersens eventyr
- Sigurd fortæller om de græske guder
- Sihirli Yüzük
- Sikander gegen die Götter, Band 1: Das Schwert des Schicksals (Rick Riordan Presents)
- SILA le raccommodeur de banquise
- Silahlarin Teslimi (Felsefe Yüzüğü 8. Kitap)
- Silas
- Silas Marner