The Hound of the Baskervilles is a detective novel by Sir Arthur Conan Doyle featuring the famous detective Sherlock Holmes. Set in the late 19th century, the story follows Holmes and his loyal companion Dr. Watson as they investigate the mysterious death of Sir Charles Baskerville and the legend of a supernatural hound haunting the Baskerville family. Doyle's gripping plot, atmospheric setting on the desolate moors, and Holmes' brilliant deductions make this book a must-read for fans of mystery and suspense.