Bash and his classmates must come together to fight off some uninvited guests in this fourth book in the sweet and spooky Scare School Diaries chapter book series by acclaimed author Jarrett Lerner.

Something spookier than usual is going on at Scare School. Classrooms are upended overnight, the cafeteria is a disaster, and huge chunks of the walls are missing! Soon, Bash and his friends learn that when the sun goes down, a trio of mischievous monsters come out from the school basement and wreak havoc. And they refuse to leave without a fight...