The Wizard of Ooze is the seventeenth book in the Goosebumps HorrorLand book series, and fifth book in the Chiller House arc. It was first published in 2010.

The cover shows The Ooze. The Ooze is in the shape of a man.


Marco and Gabriella are best friends that are in love with The Ooze. Marco is a diehard fan of The Ooze, a comic book villain with the power to sludge his enemies. So when he finds a super-rare edition of one of The Ooze's comics at the Chiller House gift shop, Marco is sure he has found something special for his collection. They get freaked out.

Outside of HorrorLand, there are a few other people interested in the comic book. The kind of people you do not want to mess with. Like a muscular monster of a man dressed as The Ooze. But if he is only wearing a costume, why does he leave an oily mess everywhere he goes? And why is he following Marco?

Cover art gallery



  • The title of the book is a spoof of The Wizard of Oz.
  • Some references were made in this book:
    • Marco has a comic book collection and was a massive fan of a comic villain book before The Ooze became his real enemy. This is similar to Attack of the Mutant, which also featured another comic book villain.
    • Marco had jumped off a chair to fly in the air. Jack Johnson also attempted to do that in How I Learned to Fly. The difference is Marco did fly for ten seconds and Jack just jumped off the chair.
    • Marco was waiting behind the Dairy Freeze, an ice cream store that was mentioned in Say Cheese and Die!.
Goosebumps HorrorLand series
#01 Revenge of the Living Dummy#8 Say Cheese — and Die Screaming!#15 Heads, You Lose!
#02 Creep from the Deep#9 Welcome to Camp Slither#16 Weirdo Halloween
#03 Monster Blood for Breakfast!#10 Help! We Have Strange Powers!#17 The Wizard of Ooze
#04 The Scream of the Haunted Mask#11 Escape from HorrorLand#18 Slappy New Year!
#05 Dr. Maniac vs. Robby Schwartz#12 The Streets of Panic Park#19 The Horror at Chiller House
#06 Who's Your Mummy?#13 When the Ghost Dog Howls
#07 My Friends Call Me Monster#14 Little Shop of Hamsters

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