Somewhere in London a madman was at large. And then one night there came a knock at the door of a quiet lodging house in the Marylebone Road. . . . This novel, based on the Jack the Ripper murders, was made into a film by Alfred Hitchcock. Marie Belloc Lowndes (5 August 1868 - 14 November 1947), was a prolific English novelist. Active from 1898 until her death, she had a literary reputation for co...