Freaks and Shrieks

Max made a deal with Nicky and Tara, the two ghosts who live in his If he helps them figure out how they turned into ghosts, they’ll help Max prove to his dad that he isn’t a worthless wimp.
Well, Max is about to make good on his promise. There’s a witness who saw what happened to the kids. A witness who may know the secret to bringing them back to life. The problem is the witness is a chimpanzee! And Max is going to switch brains with him to learn the secret. Will Max find the secret– or will he go from a worthless wimp to a worthless chimp?