A novel is a long, fictional work of literature, often written in prose and characterized by a narrative structure that follows a sequence of events. Novels can cover a wide range of topics and genres, and they often feature complex characters, intricate plots, and themes related to human experience. Some popular subgenres of novels include romance novels, science fiction novels, mystery novels, historical novels, and thrillers. Novels can be both works of fiction or based on true events or personal experiences of the author.