“My name is Sherlock Holmes. It is my business to know what other people don’t know.” This reader’s companion to the casework of Sherlock Holmes explores the methodology of the world’s most famous consulting detective. From analyzing fingerprints and decoding ciphers to creating disguises and faking one’s own death, readers will learn how Holmes solved his most celebrated cases—plus an arsenal of modern techniques available to today’s armchair sleuths. Along the way, readers will discover a host of trivia about the master detective and his universe: Why did Holmes never marry? How was the real Scotland Yard organized? Was cocaine really legal back then? And why were the British so terrified of Australia? Full of fascinating how-to skills and evocative illustrations, The Sherlock Holmes Handbook will appeal to Baker Street Irregulars of all ages.