In "The Hound of the Baskervilles," the titular creature is described as a supernatural, monstrous dog. While the story does not specify an exact breed, it is often depicted as a large, fearsome hound resembling a mastiff or a bloodhound. The legend suggests that it is a ghostly apparition associated with the Baskerville family curse. In various adaptations, the hound is typically portrayed as a large, menacing dog to emphasize its terrifying nature and the gothic atmosphere of the story.

"The Hound of the Baskervilles" is famous for being one of the most iconic Sherlock Holmes stories written by Sir Arthur Conan Doyle. First published in 1902, it combines elements of mystery, horror, and the supernatural, involving a legendary ghostly hound that haunts the Baskerville family. The novel's atmospheric setting on the moors and its exploration of themes like fear and rationality have captivated audiences. It has inspired numerous adaptations in film, television, and stage, solidifying its status as a classic in detective literature.

"The Hound of the Baskervilles" is primarily narrated from the first-person point of view of Dr. John Watson, Sherlock Holmes' close friend and chronicler. Watson recounts the events surrounding the mystery of the Baskerville estate and the legendary hound, providing his perspective while also showcasing Holmes' deduction skills. This narrative choice allows readers to experience the suspense and unfolding mystery through Watson's observations, making Holmes' insights more impactful when revealed.

In "The Hound of the Baskervilles," the killer is revealed to be Jack Stapleton, a Baskerville relative. He seeks to inherit the Baskerville fortune by attempting to scare Sir Henry Baskerville to death using a legendary supernatural hound. Stapleton uses a trained dog to create the illusion of the mythical beast, capitalizing on the local legend to carry out his nefarious plan. Sherlock Holmes ultimately uncovers Stapleton's scheme, leading to his downfall.