- Sherlock Holmes: The Legend Begins
- Shine Until Tomorrow
- Ship of Fire
- Shire Summer
- Shirley
- Shooting the Moon
- Shots at Sea
- Should Any Calamity Befall
- Show and Prove
- Shu Wei's Revenge
- Shy Gal: An Introvert's Journey Through High School
- Sibrium
- Siddhartha
- Sidetracked
- Sidouri tome 1 Scribe de Yanna
- Siege
- Sign of the Black Dagger
- Signé Charlotte
- Signé Versailles
- Sigurd fortæller om de græske guder
- Silence over Dunkerque
- Silent
- Silent Echoes
- Silhouette of a Sparrow
- Silver in the Blood
- Silver Rain
- Silver Skin
- Silver Stars
- Simmie...With Secrets
- Singapore Children's Favorite Stories
- Singe-Roi
- Sir Bentley and Holbrook Court
- Sir Dalton and the Shadow Heart
- Sir Francis Drake
- Sir Kendrick and the Castle of Bel Lione
- Sir Quinlan and the Swords of Valor
- Sir Quixote of the Moors
- Sir Rowan and the Camerian Conquest
- Siren's Lure
- Sirens
- Sirens and Spies
- Sissi
- Sister Heart
- Sisters of Glass
- Sisters of Sword and Song
- Sisters of the Wolf
- Skandal
- Skateway to Freedom
- Skating with the Statue of Liberty
- Sky Chasers
- Skye Bird and the Eagle Feather
- Skylark and Wallcreeper
- Skylarks' War
- Skywatchers
- Slap Your Sides
- Slaughterhouse Five
- Slave, Brave, and Free
- Slavery's Pleasant Homes & Other Tales
- Slaves and Serfs: What Is the Difference?- Children's Medieval History Books
- Small Acts of Amazing Courage
- SmartReads British Goblins Welsh Folklore, Fairytales and Legends
- Smoke and Magic
- Smuggler's Treasure
- Snow Apples
- Snow White's Mirror
- So Close to You
- So Great A Love
- So Many Beginnings: A Little Women Remix
- So war es, als ich klein war
- Sobreviví los ataques de tiburones de 1916 (Graphix) (I Survived the Shark Attacks of 1916)
- Sobreviví los ataques del 11 de septiembre de 2001 (I Survived the Attacks of September 11, 2001)
- Socrate - Un homme dangereux
- Soft Rain
- Sohng
- Soldier Boy
- Soldier Boys
- Soldier Dog
- Soldier Dogs #1: Air Raid Search and Rescue
- Soldier Dogs #2: Attack on Pearl Harbor
- Soldier Dogs #3: Secret Mission: Guam
- Soldier Dogs #4: Victory at Normandy
- Soldier Dogs #5: Battle of the Bulge
- Soldier Dogs #6: Heroes on the Home Front
- Soldier Dogs #7: Shipwreck on the High Seas
- Soldier Doll
- Soldier Girls in Action
- Soldier Mom
- Soldier Sister, Fly Home
- Soldier's Armor Children's Military & War History Books
- Soldier's Game
- Soldier's Heart
- Soldier's Secret
- Solo se mi credi
- Solomon
- Some Do Not...
- Some Kind of Courage
- Someday We Will Fly
- Something Like Normal
- Something to Shout About
- Sometimes a Warm Rain Falls
- Son of Fortune
- Sona
- Song of the Gargoyle
- Song of the Sparrow
- Song of the Trees
- Songstone
- Sons of the Sphinx
- Soon
- Soon Be Free
- Sophia's Journal
- Sophia's War
- Sophie Germain - La femme cachée des mathématiques
- Sophie Mallory Series 3-Book Bundle
- Sophie Sea to Sea
- Sophie's Exile
- Sophie's Friend in Need
- Sophie's Rebellion
- Sophie's Treason
- Sophie's World
- Sophie, In Shadow
- Sorceress
- SOS Titanic
- Soul Eater
- Soul Lanterns
- Soulene: A Healer in Paris
- Soulene: A Healer's Tale
- Soulene: The Art of the Red Heart Healers
- Soulless: The Story of Shayan (Prequel to The Soul Quest Trilogy)
- Soulswift
- Soupy Leaves Home (Second Edition)
- Souvenirs de voyage en Suisse, en Espagne, en Écosse, en Grèce, en Océanie, en Chine, en Perse, en É...
- Souviens-toi de septembre
- Spanish American War of 1898 - History for Kids - Causes, Surrender & Treaties Timelines of History...
- Spanish Reconquista: Religions in Battles - History 6th Grade Children's European History
- Spartacus: The Roman Liberator of Slaves - Ancient History for Kids Children's Ancient History
- Speak Easy, Speak Love
- Special Forces Cadets 3: Justice
- Spectacle
- Speed
- Spells for the Afterlife : The Book of the Dead - Ancient Egypt History Facts Books Children's Anci...
- Sphinx's Princess
- Sphinx's Queen
- Spionligan
- Spiral (Tunnels #5)