Scooby-Doo! An Addition Mystery: The Case of the Angry Adder (Scooby-Doo!: Solve It With Scooby-Doo!: Math)

Description

Scooby Doo and the Mystery Inc. Gang are on the Case of the Angry Adder. Hes been adding snakes to spots all around town. Will Scooby and the gang add everything together and uncover who is really behind the mayhem? Or will the Angry Adder continue to terrorize Crystal Cove?