Many researchers have tried over the decades to discover Mary Jane Kelly's true identity. She was the final and most brutally murdered victim of Jack the Ripper, but almost nothing is known about her family or her earlier life. In this thrilling book,  author, qualified surgeon and Mary's great-nephew Wynne Weston-Davies explores the inscrutable circumstances behind the Ripper's fifth and final victim and how the elusive life of Mary Jane Kelly is wholly intertwined with the mystery of her legendary killer.