The Science of Sherlock Holmes: From Baskerville Hall to the Valley of Fear, the Real Forensics Behind the Great Detective's Greatest Cases

""Holmes is, first, a great detective, but he has also proven to be a great scientist, whether dabbling with poisons, tobacco ash, or tire marks. Wagner explores this fascinating aspect of his career by showing how his investigations were grounded in the cutting-edge science of his day, especially the emerging field of forensics.... Utterly compelling.""
—Otto Penzler, member of the Baker Street Irregulars and proprietor of The Mysterious Bookshop

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