The Sign of the Four Author:Sir Arthur Conan Doyle It is in "The Sign of the Four" that Sherlock Holmes' oddness becomes apparent. Unlike Watson, he is indifferent to the pleasures of romance, but he is grateful for the stimulation of cocaine during idle days, for his mind rebels at stagnation. When the beautiful Miss Mary Morstan arrives at 221B Baker Street with a strange story and a note fr... more »om an anonymous friend requesting a rendezvous, Holmes is intrigued-and Watson falls instantly in love. Their energetic investigations uncover an exotic tale of precious gems and treachery.« less