Scooby-Doo and the Groovy Ghost 👻by James Gelsey

Used paperback ; there is writing on the front of the back page of the cover this book is about how Scooby-Doo and the gang start seeing that things start rockin' when a guitar-playing ghost makes Scooby-Doo shake and shiver. If the ghost doesn't stop scaring people away, the theater will have to shut down.