The Hound of the Baskervilles" is a classic detective novel by Sir Arthur Conan Doyle, first serialized in 1901–1902 and published as a book in 1902. It features the famous detective Sherlock Holmes and his loyal friend Dr. John Watson. Set in the gloomy and eerie moors of Devonshire, England, the novel is one of the most popular and enduring stories in the Sherlock Holmes canon. It masterfully blends elements of Gothic horror with detective fiction, creating an atmosphere of suspense and intrigue. It explores themes such as rationality versus superstition, the power of fear, and the complexity of human motives.