Haunted Tales (Mary O’Reilly #15)

The death of a beloved fourth-grade teacher has haunted Andrew Tyler his entire life. Was it really an accidental death or was she murdered? And if it was only an accident, why did her ghost haunt the hallways of the old, abandoned school in Polo, Illinois? Andrew calls on Mary O’Reilly to solve the mystery and catch a killer who is still on the loose in the small town.