Sherlock Holmes is the most famous fictional detective ever created. The supremely rational sleuth and his dependable companion, Dr Watson, will forever be associated with the gaslit and smog-filled streets of late nineteenth and early twentieth century London. Yet Holmes and Watson were not the only ones solving mysterious crimes and foiling the plans of villainous masterminds in Victorian and Edwardian England. There were countless imitators in the genre, and this volume highlights some of those 'Rivals of Sherlock Holmes'.