Sleeping MurderA strange house. A ghost from the past. As soon as she moves into Hillside, Gwenda knows theres 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.