The Sign of the Four
Sir Arthur Ignatius Conan Doyle (1859–1930) was a Scottish physician and writer, most noted for his stories about the detective Sherlock Holmes, which are generally considered a major innovation in the field of crime fiction, and for the adventures of Professor Challenger. He was a prolific writer whose other works include science fiction stories, historical novels, plays and romances, poetry, and non-fiction.--This text refers to an alternatePaperbackedition.