"Edgar Huntly; or, Memoirs of a Sleep-Walker" is a gothic novel written by American author Charles Brockden Brown and first published in 1799. The book follows the story of Edgar Huntly, a young man who becomes embroiled in a series of mysterious events after his friend and employer disappears. Huntly, plagued by strange dreams and episodes of sleepwalking, sets out to uncover the truth behind his friend's disappearance and encounters a series of terrifying and surreal obstacles along the way. The novel is known for its dark and atmospheric tone, its exploration of themes such as identity, madness, and the unknown, and its innovative use of narrative techniques such as first-person storytelling and multiple narrators. "Edgar Huntly" is considered a classic of early American literature and a key work in the development of the gothic genre in America.