- Sagan om den underbara familjen Kanin och Spöktåget
- Sal 305
- Sam Battles the Machine!: A Branches Book (Eerie Elementary #6)
- SandPeople
- Sankt Nikolaus in Not
- Satergeschater
- Saurex the Silent Creeper
- Say Cheese - And Die Screaming! (Goosebumps HorrorLand #8)
- Scabbit Isle
- Scalamanx the Fiery Fury
- Scare Ball
- Scarecrow Magic
- Scaredy Snacks!
- Scaredy-Monster
- Scaremaster. La palude della paura
- Scaremaster. Weekend con il licantropo
- Scary Harry (Band 1) - Von allen guten Geistern verlassen
- Scary Harry (Band 2) - Totgesagte leben länger
- Scary Harry (Band 6) - Hals- und Knochenbruch
- Scary Harry (Band 7) - Knochengrüße aus Russland
- Scary Harry - Fledermaus frei Haus
- Scary Harry 3 - Meister aller Geister
- Scary Harry 4 - Ab durch die Tonne
- Scary Harry 5 - Hier scheiden sich die Geister
- Scary Stories
- Scary Stories 3
- Scary Stories Complete Set
- Scary Stories for Young Foxes
- Scary Stories for Young Foxes: The City
- Scary Stories to Tell in the Dark
- Scary Summer: A Graphic Novel (Goosebumps Graphix #3)
- Scary Tales To Tell In The Dark
- Schloss Wildenstein
- Boo La La: School for Ghost Girls
- School Freezes Over!: A Branches Book (Eerie Elementary #5)
- Monster Book Day
- School of the Dead
- Schoolmonsters
- Schule der Helden (Band 4) - Hinterhalt der Skelett-Krieger
- Scream Street 10: Rampage of the Goblins
- Scream Street 11: Hunger of the Yeti
- Scream Street 12: Secret of the Changeling
- Scream Street 13: Flame of the Dragon
- Scream Street 2: Blood of the Witch
- Scream Street 3: Heart of the Mummy
- Scream Street 4: Flesh of the Zombie
- Scream Street 6: Claw of the Werewolf
- Scream Street 7: Invasion of the Normals
- Scream Street 8: Attack of the Trolls
- Scream Street 9: Terror of the Nightwatchman
- Screamers
- Screaming Mummies of the Pharaoh's Tomb II
- Search Wonder
- Seascape
- Secret of the Shadow Beasts
- Secrets at the Chocolate Mansion
- Secrets of a Middle School Monster Hunter Alien Slime Invasion
- Seeking a Witch
- Seelenlos
- Sepron the Sea Serpent
- Serafina y el bastón maligno (Serafina 2)
- Serafina y el secreto de su destino (Serafina 3)
- Serafina y la capa negra (Serafina 1)
- SerieWoordenaar
- Serpio the Slithering Shadow
- Seven Strange And Ghostly Tales
- Seymour's Secret
- Shadow Creepers
- Shadow in the Woods and Other Scary Stories: An Acorn Book (Mister Shivers #2)
- Shaker Monster (Tome 1) - Tous aux abris !
- Shamani the Raging Flame
- She Wanted to Be Haunted
- Shelby Holmes es genial
- Sherlock Holmes and the Hound of the Baskervilles
- Shine
- Shiverton Hall
- Shivery Shades of Halloween
- Short & Shivery
- Show and Tell
- Shrek!
- Shuri - tome 2 Les Disparues
- Silence Speaks: A Sonny and Breanne Mystery #4
- Silly Shadows - Spanish Edition
- Silver the Wild Terror
- Simon, the Shortest Monster in the World
- Simos Drömmaren
- Sindy
- Sir Mac the Dragon Slayer
- Sir Simon: Super Scarer
- Sista dagen på sommarlovet
- Själen
- Ska vi leka?
- Skalix the Snapping Horror
- Skary Childrin and the Carousel of Sorrow
- Skeleton for Dinner
- Skeleton Island
- Skeleton Man
- Skolo the Bladed Monster
- Skor the Winged Stallion
- Skrar the Night Scavenger
- Skor the Winged Stallion
- Skrar the Night Scavenger
- Skräcktimmen
- Skuggan
- Skuggornas hus
- Skuggornas ö
- Skulduggery Pleasant
- Skulduggery Pleasant - Books 1-9
- Skulduggery Pleasant: Books 4 – 6 The Death Bringer Trilogy
- Skulduggery Pleasant: Books 7 – 9: The Darquesse Trilogy
- Skurik the Forest Demon
- Skyggefolket 2 - Bunkeren
- Slaapslachter
- Slangenvanger
- Slappy's Tales of Horror: A Graphic Novel (Goosebumps Graphix #4)
- Slawter
- Slayer
- Slime
- Slime Spewing Vampire Velociraptors
- Slipping
- Slivka the Cold-Hearted Curse
- Slott & sluss & hålligång - allt du behöver veta om Stockholm
- Slottet
- Slottsruinens förbannelse
- Sluket
- Slutstation Z
- Small Knight and the Anxiety Monster
- Small Story
- Snack Attack!
- Snap of the Super-Goop: A Branches Book (The Notebook of Doom #10)
- Sneaky The Hairy Mountain Monster Goes To The Bahamas To The First Ever Monster Convention
- Sneeze of the Octo-Schnozz: A Branches Book (The Notebook of Doom #11)
- Snoofs in the Witch's Kitchen
- Snow Beast Comes to Play
- Snöängeln
- Soara the Stinging Spectre
- Solak Scourge of the Sea
- Solix the Deadly Swarm
- Soltra the Stone Charmer
- Some Monsters Are Different
- Some of My Best Friends Are Monsters
- Sons of Destiny
- Sophichkin Sings to Monsters
- Sparrow Rising (Skyborn #1)
- Speedah-Cheetah: A Branches Book (The Binder of Doom #3)
- Spell and Spindle
- Spell of the Screaming Jokers
- Spellcaster
- Spider Sandwiches