While on vacation at Camp Horrorific, the kids of P.S. 13 discover that mischievous trolls are responsible for a rash of robberies throughout the camp, and they set out to stop the crimes.
Featured Series
14 primary booksFifth Grade Monsters is a 14-book series with 14 primary works first released in 1987 with contributions by Mel Gilden and Ann Hodgman.
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