“A triumph of the imagination, Dune is considered Herbert’s finest work”
NO MAJOR SPOILERS
This sci-fi novel is set in a technologically advanced, huge interplanetary empire. Crucial to the operation of said empire is a drug known as Melange or simply “Spice”. This drug allows (amongst others) the navigators the Space Guild to see into the future and thus guide the spaceships on a safe route to their destination, keeping vital commerce and other routes open.