Unknown Author
50 books on BookOwl
Books by Unknown Author
Escape from Shudder Mansion
2018
The Ghost of Slappy
2018
True Evil
1992
Monster Blood (Goosebumps, #3)
1991
I am Slappy's evil twin
2017
Please Do Not Feed the Weirdo
2018
Goosebumps : House of Shivers
2023
Stuff of Nightmares: The Monster Makers
2023
The Haunted Mask: The Graphic Novel
2024
Secret Admirer
2021
Scariest. Book. Ever.
2023
Don't Turn Out the Lights
2020
Don't Turn Out the Lights
2020
Give Me a K-I-L-L
2017
Goblin Monday
2024
Night of the Living Mummy
2024
Fourteen Days
2022
Scream and Scream Again!
2025
Goosebumps : House of Shivers 4
2025
Stinetinglers 4: 3 Chilling Tales by the Master of Scary Stories
2025
Monster Blood (Goosebumps Graphic Novel #2)
2025
Say My Name! Say My Name!
2025
Thrills and Chills (Garbage Pail Kids Book 2)
2025
Terrifying True Tales
2025
Terrifying True Tales
2025
Fresh Blood
2025
Last Sleepover (Goosebumps House of Shivers #5)
2025
Attack of the Aqua Apes
2025
Attack of the Aqua Apes
2025
Who's Been Sleeping in My Grave?
2025
Hide and Shriek
2025
Nightmare In 3-D
2025
Nightmare In 3-D
2025
Stinetinglers 3: MORE Chilling Stories by the Master of Scary Tales
2024
Goosebumps SlappyWorld Total 19 Books Set (#1 - #19)
2024
Stuff of Nightmares: Red Murder #1
2023
Stuff of Nightmares
2023
Stinetinglers
2022
Slappy in Dreamland
2022
Fourteen Days
2022
Monster Blood Is Back
2021
Just Beyond: Monstrosity
2021
Diary of a Dummy
2020
They Call Me the Night Howler!
2020
It's Alive! It's Alive!
2019
The Dummy Meets the Mummy!
2019
The Scare School
2019
You May Now Kill the Bride
2018
Scream and Scream Again!
2018
Goosebumps: Download and Die!
2018