Gwendoline Butler uses the pen names Gwendoline Butler and Jennie Melville. She was educated at Haberdashers and went on to Oxford to study history before marrying Dr Lionel Butler, the Principal of Royal Holloway College. She is the mother of one daughter. She is a Silver Dagger Award recipient from the Crime Writers' Association. In addition, The London Times named her one of the top two hundred crime authors in the world. She resides in the English county of Surrey.