The Hitchhiker's Guide to the Galaxy is a comedic science fiction series written by Douglas Adams. It follows the adventures of Arthur Dent, a hapless human who is swept off Earth just before its destruction to make way for a hyperspace bypass. Arthur embarks on a journey through space with his alien friend Ford Prefect, encountering various bizarre and humorous characters along the way. The book is known for its witty writing style and satirical take on science fiction tropes.