The Hitchhiker's Guide to the Galaxy is a comedic science fiction series written by Douglas Adams. It follows the misadventures of an ordinary human named Arthur Dent, who is swept off Earth just before its destruction to make way for a hyperspace bypass. With the help of his alien friend Ford Prefect and the titular guidebook, Arthur embarks on a hilarious journey through space. The series is known for its witty humor, satirical commentary, and imaginative world-building.