Dune is a science fiction novel written by Frank Herbert. Set in a distant future, it takes place in a universe where interstellar travel and advanced technology coexist with feudalism and political intrigue. The story follows Paul Atreides, a young nobleman who becomes the messiah-like figure of a desert planet called Arrakis. Dune is renowned for its complex world-building, intricate plot, and exploration of themes such as power, religion, and ecology.