"The Mysteries of Udolpho" is a Gothic novel written by Ann Radcliffe, published in 1794. The story follows Emily St. Aubert, a young woman who faces various challenges, including the death of her parents and the sinister machinations of the villainous Count De Ville. Set against the backdrop of the French Alps, the novel explores themes of love, fear, and the supernatural. The narrative is rich with atmospheric descriptions and suspenseful events, including the haunting castle of Udolpho. Radcliffe's work is significant in the development of the Gothic genre, influencing later authors like Mary Shelley and Edgar Allan Poe. The novel combines romance with elements of mystery and adventure.