Dune is a science fiction novel written by Frank Herbert. It is set in a distant future where interstellar travel and political intrigue are common. The story follows Paul Atreides, a young nobleman who becomes embroiled in a power struggle on the desert planet of Arrakis, the only source of a valuable spice called melange. As Paul navigates the treacherous world of politics and deals with the native inhabitants of Arrakis, he discovers his own hidden powers and becomes a messianic figure. Dune is known for its complex world-building and exploration of themes such as religion and ecology.