Miss Hewitt Investigates the Return of the Ripper — Linda M. Stephenson

London 1915 and Great Britain is at war with Germany. Stylish lady detective Miss Isabel Hewitt is involved on the Home Front with the Women's Emergency Corps using her car to help ferry refugees around London. Then someone brutally murders two girls from the Corps in Shoreditch and there are fears the Ripper may be back. Isabel is asked to investigate and she begins a very dangerous mission tracking down a serial killer.