借镜杀人

Marple is invited to London to see her old friend Ruth. Miss Marple was a sort of traveling panion to Ruth and her sister, Carrie Louise. Ruth is worried about Carrie Louise. She doesn't know why, though. Ruth asks Miss Marple to e with her to her sister's estate, Stonygates. Stonygates is a huge manor house, and some of the buildings and the grounds are used by Carrie Lo...