That Affair at Portstead Manor
Author: first_name: Gladys Edson
last_name: Locke
Language: English
Year: 1919

An English country home during a house party becomes the scene of a double mystery.  One of the three detectives employed on the case is a woman whose common sense, calm, and plain logic are skillfully employed in straightening the tangle.   - NY Times Book Review, Aug 16, 1914.