Grave Secrets (Deadtime Stories #8)

"Amanda Peterson has a pet cemetery in her backyard. It's where she's buried all her family's dear departed pets like Ralph the hamster the goldfish and the canary. But when Amanda and her friends set out to bury a dead squirrel they accidentally dig up a grave that's already occupied and not by a pet. The scary old lady who lives next door has lots of buried secrets. And she'll do anything to keep them that way"-Amazon