- Sabotage at Willow Woods
- Game of Fate
- Saeculum
- Saligia
- Sally and the Missing Corgi
- Sally's Bones
- Salonul VIP
- Saltwater Vampires
- Salvation
- Sam I Am
- Samantha Cruise: Vampire
- Samantha Cruise: Vampire Hunter
- Samantha Sutton and the Labyrinth of Lies
- Samantha Sutton and the Winter of the Warrior Queen
- Sammy Keyes and the Art of Deception
- Sammy Keyes and the Cold Hard Cash
- Sammy Keyes and the Curse of Moustache Mary
- Sammy Keyes and the Dead Giveaway
- Sammy Keyes and the Hollywood Mummy
- Sammy Keyes and the Hotel Thief
- Sammy Keyes and the Killer Cruise
- Sammy Keyes and the Kiss Goodbye
- Sammy Keyes and the Night of Skulls
- Sammy Keyes and the Power of Justice Jack
- Sammy Keyes and the Psycho Kitty Queen
- Sammy Keyes and the Runaway Elf
- Sammy Keyes and the Search for Snake Eyes
- Sammy Keyes and the Showdown in Sin City
- Sammy Keyes and the Sisters of Mercy
- Sammy Keyes and the Skeleton Man
- Sammy Keyes and the Wedding Crasher
- Sammy Keyes and the Wild Things
- Samsaara : Devadoot
- Samuel Smythe and the Mystery of the Missing Papers
- Sanctuary Bay
- SandPeople
- Sandy Beach and the Mysterious Book
- Sandy Beach and the Slippery Slope
- Sang d'encre
- Sanglant hiver
- Sangre Falls
- Santa Muerte
- Sara and the Search for Normal
- Sara Satellite
- Sarah Martin Mysteries 2-Book Bundle
- Sarah Through the Picture
- Saratoga Woods - The Edge of Nowhere 1
- Saul
- Sauveur & Fils, Saison 6
- Savage
- Save Me, Kurt Cobain
- Save the Enemy
- Saved at Sunrise
- Saving Crafter
- Saving Eden
- Saving Ellie
- SAVING EMILY
- Saving Lucas Biggs
- Saving Silence
- Saving Washington
- Savnet
- Sawbones
- Say Her Name
- Say It Ain't So
- Scalpel
- Scammed
- Scan
- Scandal
- Scar Island
- Scared Little Rabbits
- Scared Stiff
- The Lost Twin: A Scarlet and Ivy Mystery
- Scarlet Letterman
- Scarlet Reign Call for Independence
- Scarlet Reign Malice of the Dark Witch
- Scary Beautiful
- Scary Out There
- Scattered
- Scavengers
- Scent of Danger
- Schat onder de stad
- Schattenauge
- Schattengrund
- Schein und Schuld
- Schieflage
- Schism
- Schieflage
- Schism
- Schizo
- Schneeweiße Hand
- School of the Dead
- School Ship Tobermory
- School Vendetta
- Schooled
- Schrei
- Schuld
- Schwarze Stunde
- Science Fair
- Scorpia
- Scorpion
- SCP Foundation: Iris Through the Looking Glass (Light Novel)
- Scratch
- Script Kiddie
- Se eu voltasse à infância
- Se taire ou mourir ? - dès 14 ans
- Sea of Suspicion
- Sean Yeager and the DNA Thief
- Sean Yeager Hunters Hunted
- Search Begins
- Search for the Shadowman
- Searching for a Starry Night, A Miniature Art Mystery
- Searching for Candlestick Park
- Searching for Lottie
- Searching for Yesterday
- Searching Lucy
- Seclusion Point
- Second Chance
- Second Sleep
- Seconds away
- Seconds Away (Book Two)
- Secret Admirer
- Secret Agent
- Secret Agent Josephine's Numbers
- Secret Game. Brichst du die Regeln, brech ich dein Herz (Romantic Suspense meets Dark Academia)
- Secret Holiday
- Secret Identity
- Secret in the Sand
- Secret Of Bradbury Mansion