Arthur Conan Doyle's The Sign of Four is the second novel in the Sherlock Holmes series, following the enormously successful novel A Study In Scarlet. With the mysterious disappearance of a British Indian army officer, a one-legged hooligan, a stolen treasure, and a nefarious pact between four con-men, this novel of revenge and love is an exquisite classic of crime fiction. In the infamous opening of the novel, Dr. Watson finds Sherlock Holmes in...