- Strider
- Strike Zone
- Strings Attached
- Stripling Tales
- Struck
- Stu Truly
- Stuck in the Middle (of Middle School)
- Stuck on Earth
- Stuck On Me
- Student Voice: 100 Argument Essays by Teens on Issues That Matter to Them
- Stuff We All Get
- Stumped
- Stupid Cupid
- Stupid Fast
- Stutter Boy
- Stuyvesant - A Franconia Story
- Stärker als mein Nachbar
- Submarine Outlaw
- Substance Abuse Counselors
- Subway Series
- Success Kids: Goal Setting - Roger's New Bike
- Sudden Fiction
- Sudden Impact
- Suddenly Last Summer #20
- Suffragette
- Sugar
- Sugar and Spice
- Sugar And Spice!
- Sugar in the Raw
- Suicide & Self-Destructive Behaviors
- Suicide and Self-harm
- Suicídio Universitário: uma questão de identidade ou de profissionalização?
- Suite for Human Nature
- Sukker
- Sukupuolena ihminen
- Sul quì e sul quà
- Sully
- How I Saved The World
- Summer at Forsaken Lake
- Summer Ball
- Next Summer (Summer Boys, Book 2)
- After Summer (Summer Boys, Book 3)
- Last Summer (Summer Boys, Book 4)
- Summer Dragons
- Summer Forever
- The Summer I Wasn't Me
- Summer of a Thousand Pies
- Summer of Fear
- Summer of Lost and Found
- Summer of Smoke: A Thing of Beauty I
- Summer of the Swans, The (Puffin Modern Classics)
- Summer of Yesterday
- Summer on the Moon
- Summer Ruins
- Summer Vacation
- Summerhouse Time
- Summerland
- Summerlost
- Sun-Kissed
- Sun-Kissed Christmas
- Sunday Sundaes
- Sunny
- Sunny Rolls the Dice: A Graphic Novel (Sunny #3)
- Sunny Side Up: A Graphic Novel (Sunny #1)
- Sunrise
- Sunset
- Sunset Boulevard
- Sunset Ranch
- Sunshine Picklelime
- Sunshine to the Sunless
- Sunshine: A Graphic Novel
- Super
- Super Edition: Before Gaia
- Super Emma
- Super Max and the Mystery of Thornwood's Revenge
- Superchouchoute
- Superfail
- Superfudge
- Supergifted
- Supergigante
- Superheroes Don't Eat Veggie Burgers
- Supericturines
- Supernatural Summer
- Supernova
- Superpowers of the Shy Girl
- Superstar
- Superpowers of the Shy Girl
- Superstar
- Sur les traces de Loubaye Dantor
- Sur une île inventée
- Surfer Zähne
- Surprise Lily
- Surrendering
- Surrounded By Sharks
- Survival Strategies of the Almost Brave
- Surviving High School
- Surviving the Drama
- Survivor
- Susi Tigerherz
- Susy la zarigüeya
- Suzy P, Forever Me
- Sway
- Swear
- Swear to Howdy
- Sweep: The Story of a Girl and Her Monster
- Sweeping Up the Heart
- Sweet Like Sally
- Sweet Pain
- Sweet Valley High, Books 1-12
- Sweet Victory
- Sweetheart Stops the Bullies
- Sweetie Petey
- Swell
- Swept Away
- Swimmers
- Swimming Through Clouds (Book One)
- Swing it, Sunny: A Graphic Novel (Sunny #2)
- Swing Sideways
- Switch
- Switching Goals
- Swoon
- Sydney Mackenzie Knocks 'Em Dead
- System Overload
- Szalenstwo Majki Skowron
- Szkoła Średnia. Odnaleźć swój świat
- Szküllák és Kharübdiszek között
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