Sleeping Murder - Agatha Christie

A strange houseA ghost from the pastAs soon as she moves into Hillside, Gwenda knows there's something strange about this house.A sealed room. A hidden door. The apparition of a young woman being strangled.But strangest of all - this all seems quite familiar.As her friend Jane Marple investigates, the answer seems to lie in a crime committed nearly twenty years ago.The killer may have gotten away with murder. But Miss Marple is never far behind.Never underestimate Miss Marple