Arthur Conan Doyle's second novel featuring Sherlock Holmes, "The Sign of Four" revolves around a blood pact between four convicts in India about a stolen treasure. Holmes is sitting in his armchair in a drug-induced monotony, and Dr. Watson prays for a miracle to get him out of the stupor. The answer to his prayers come in the face of a young woman, whose father goes missing. A complex plot, mysterious characters and even more mysterious happenings turn the novel into a pleasant read, perfect for Sherlock Holmes' aficionados and detective fiction enthusiasts.-