- Secret Origins
- Secret Saturdays
- Secret Sisters of the Salty Sea
- Secret Weapons
- Secrets (Sweet Valley High #2)
- Secrets du foyer domestique
- Secrets of a Fangirl
- Secrets of a Teenage Heiress
- Secrets of Hopelight
- Secrets of My Hollywood Life
- Secrets of Sable Island
- Seduction
- See How They Run (Embassy Row, Book 2)
- See No Evil
- See You In The Morning
- See You on a Starry Night
- See you soon Caroline!
- Seeadlerschreie
- Seeing Cinderella
- Seelenchaos
- Segredos
- Sei come ti voglio
- Sei lieb und büße
- Self Inflicted: Before the Scars
- Self-Harm
- Self-harm and suicide
- Self-Harming and Suicide
- Self-Help for At-Risk Teens
- Selfie e o desejo pela aparência perfeita
- Selfies, Sexts and Smartphones
- Selling Sex
- Sellout
- Selo
- Send
- Sendeschluss
- Sensitivity & Strength, Larva High School 1
- Sensory stimulation
- Sentries
- Separate No More: The Long Road to Brown v. Board of Education (Scholastic Focus)
- Separate Sisters
- Sequins, Secrets, and Silver Linings
- Serafina and the Twisted Staff
- Serafina's Promise
- Seriøst, William?
- Set the Record Straight!
- Setting the Pace
- Settle the Score
- Seule contre moi
- Seven (the Series) Ebook Bundle
- Seven Dead Pirates
- Seven Sacred Teachings (Enhanced Edition)
- Seven Stories Up
- Seventeen Ultimate Guide to Guys
- Sewing in Circles
- Sex Education - A Parent's Guide
- Sex Education: Um guia para a vida
- Sex for Guys
- Sex ist wie Brokkoli, nur anders – Ein Aufklärungsbuch für die ganze Familie
- Sex med mera
- Sex og det
- Sex Plus: Learning, Loving, and Enjoying Your Body
- Sexual Decisions
- Sexualising Society
- Señores, a vestir bien
- Shade
- Shades of Brown
- Shades of Promises
- Shadow Girl
- Shadow of a Bull
- Shadow of a Girl
- Shadow of the Wolf
- Shadow Over Second
- Shadow People
- Shadow Squadron: Eagle Down
- Shadow Squadron: Sniper Shield
- Shadows
- Shadows Cast by Stars
- Shahana: Through My Eyes
- Shake It Off: A Wish Novel
- Shake It Up!: Bring It!
- Shake It Up!: Center Stage
- Shake It Up!: Step by Step
- Shaken
- Shaken Up
- Shane's Game
- Shaper
- Shapeshifters Mark
- Shark Frenzy!
- Shapeshifters Mark
- Shark Frenzy!
- Shark Wars
- Shark Wars #2
- Shark Wars #3
- Shark Wars #4
- Shatter
- Shattered
- Shattered Dreams
- Shattered Glass
- Shatterproof
- She Loves You
- She Loves You (Yeah, Yeah, Yeah)
- She Wore Red Trainers
- She's Got the Beat
- She's so Dead to Us
- She's The Liar
- She-Devil Rocks
- Sheepford & Oxley, Collection: Books 1–7
- Sheepford & Oxley, Book Five: Peanut Butter Pine Cones
- Sheepford & Oxley, Book Four: Winter Colors
- Sheepford & Oxley, Book One: Soup
- Sheepford & Oxley, Book Seven: The Canvas
- Sheepford & Oxley, Book Six: Zucchini
- Sheepford & Oxley, Book Three: Mittens
- Sheepford & Oxley, Book Two: Wax Paper Boats
- Shelby the Cat
- Sheltering Stories
- Sherlock Holmes and the Disappearing Diamond (Baker Street Academy #1)
- Sherlock, Lupin & Me: The Dark Lady
- Sherlock, Lupin, and Me: The Soprano's Last Song
- Shhh! We Don't Call it Abuse
- Shifters And Glyphs
- Shimmer
- Shimmy
- Shine
- Shine On, Daizy Star
- Shine!
- Shine, Coconut Moon
- S******e
- Shoebag Returns
- Shoot-Out
- Shooting Kabul