The Case of the School Ghost (Buddy Files Series #6)

There have always been rumors of a ghost at Four Lakes Elementary. On the night of the fourth grade sleepover, Mr. Poe, the custodian, tells the story of Agatha, the girl who haunts the school. Then secret notes, unusual banging, and a ghostly voice invade the sleepover. Buddy is determined to find out if there really is a ghost.