- Sabotage at Willow Woods
- Sabotage on the Set
- Sabotage on the Solar Express
- Perrock Holmes 14 - Sabotaje en el parque acuático
- Safty og mafiaen
- Sakkara
- Salomé Snel en de onzichtbare juwelendief
- Sam And Erika
- Sam the Man & the Secret Detective Club Plan
- Sammi Jo and the Best Day Ever!
- 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 Wedding Crasher
- Sammy Keyes and the Wild Things
- Samuel J. Waggabum
- Sandwich Shenanigans
- Sanomalehden arvoitus. Lasse-Maijan etsivätoimisto
- Santa Claude
- Sara and the Search for Normal
- Sasquatch in the Paint
- Saves the World
- Saving Abbie
- Saving Lucas Biggs
- Sbonelo Snoop
- Scam on the Cam
- Scare Ball
- Scare Ball
- Scared Stiff
- Scavenger Hunt Heist
- Schim in het bos
- Schnappschuss, Küsse und das große Chaos
- Schokuspokus 1: Der geheime Kakaoklau
- Schokuspokus 2: Wahnsinnig vanillig
- Schokuspokus 3: Das Jaguar-Geheimnis
- Schokuspokus 4: Die magische Maya-Krone
- The Katie Fry, Private Eye #2: The Missing Fox (Scholastic Reader, Level 2)
- School for Stars: Double Trouble at L'Etoile
- School of the Dead
- Schoon genoeg
- Schuilplaats
- Scorpia
- Scène de crime
- Perrock Holmes 7 - Se ha escrito un secuestro
- Sea Life Secrets
- Search for the Shadowman
- Searching for Candlestick Park
- Secret Agent
- Secret Agent Josephine in Paris
- Secret Agent Splat!
- Secret Agents Jack and Max Stalwart: Book 4: The Race for Gold Rush Treasure: California, USA
- Secret Identity
- Secret of the Red Arrow
- Secret of the School Suitor
- Secret of the Spa
- Secret of the Time Capsule
- Secret Sabotage
- Secret Security Squad
- Secret Seven Colour Short Stories: Adventure on the Way Home
- Secret Seven Colour Short Stories: An Afternoon With the Secret Seven
- Secret Seven Colour Short Stories: Hurry, Secret Seven, Hurry!
- Secret Seven Colour Short Stories: The Humbug Adventure
- Secret Seven Colour Short Stories: The Secret of Old Mill
- Secret Seven On The Trail
- Secret Seven Win Through
- Secret Weapons
- Secrets of Stone and Sea
- Seeing Green
- Selene Pascal. Agente in prova
- Selfie
- Sem igual
- Sengkang Snoopers (Book 1)
- Sengkang Snoopers (Book 2)
- Septimus (Septimus 1)
- Septimus y el hechizo imposible (Septimus 2)
- Serafina and the Twisted Staff
- Serafina y el bastón maligno (Serafina 2)
- Serial Sabotage
- Shadow Creepers
- Shadow of the Yangtze
- Shadows at Predator Reef
- Shadows of Caesar's Creek
- Shaky, Breaky School Sleuth
- Shark Seas
- Sharp Shot
- Shatter Me
- Shaza ne sert à rien
- Shelby Holmes es genial
- Sherbert M. Holmes The Case of the Catnip Thief
- Sherlock 13. Doble final
- Sherlock Bones and the Natural History Mystery
- Sherlock Bones and the Sea-creature Feature
- Sherlock Chick and the Case of the Night Noises
- Sherlock Chick and the Giant Egg Mystery
- Sherlock Chick and the Peekaboo Mystery
- Sherlock Chick's First Case
- Sherlock Holmes 1 - Estudio en escarlata
- Sherlock Holmes 2 - El signo de los cuatro
- Sherlock Holmes 3 - El Sabueso de los Baskerville
- Sherlock Holmes and the Hound of the Baskervilles
- Sherlock Sam and the Alien Encounter on Pulau Ubin
- Sherlock Sam and the Cloaked Classmate in MacRitchie
- Sherlock Sam and The Comic Book Caper in New York