“In 1887, a young Arthur Conan Doyle published ‘A Study in Scarlet,’ thus creating an international icon in the quick-witted sleuth Sherlock Holmes. In this, the first Holmes mystery, the detective introduces himself to Dr. John H. Watson with the puzzling line ‘You have been in Afghanistan, I perceive.’ And so begins Watson’s, and the world’s, fascination with this enigmatic character.” Doyle ...