"When something crucial goes missing, eleven-year-old Olive and her friends must decide how to get it back--put their faith in a strange and dangerous magic, their odd new neighbors, or someone more uncertain and terrifying than both"-- When something crucial goes missing, eleven-year-old Olive and her friends must decide how to get it back: put their faith in a strange and dangerous magic, their odd new neighbors, or someone more uncertain and terrifying than both. Book #4