Nancy's classmate, Willa, needs her help. Willa is convinced something is terribly wrong with her friend Izzy, but everyone has dismissed Willa's concerns, saying it's just teen angst. But Willa thinks it's more than that; she thinks Izzy is possessed.
Keene, Carolyn. Nancy Drew diaries ; #16.
Nancy Drew Diaries
Nancy Drew Diaries ; #16
Demoniac possession -- Juvenile fiction.
Drew, Nancy (Fictitious character)
Haunted houses -- Juvenile fiction.
Detective and mystery fiction.