These two short crime novels from the Victorian period depict a threatening night-time London, where murder lurks in the fog...  In Fergus Hume's The Piccadilly Puzzle (1889), the private detective Dowker is called upon to investigate the death of a beautiful woman, whose body is found on a central London street during the fashionable 'season'... In Richard Harding Davis's In the Fog (1901), an American Naval officer tells the thrilling story of how a misadventure one foggy night leads him to become the only witness of a terrible crime...