Gwendoline Butler

Gwendoline Williams Butler (née Williams; 19 August 1922 – 5 January 2013) was a British writer of mystery fiction and romance novels. She also wrote under the pseudonym Jennie Melville. Credited with inventing the "woman's police procedural," Butler is known for the Inspector John Coffin series and the Charmian Daniels series (published under the pseudonym Jennie Melville). Her works include modern detective stories, Victorian mysteries, Gothic tales, and romantic novels.