The Hitchhiker's Guide to the Galaxy by Douglas Adams
Cloth; Used. As New. Dust Jacket: As New. Douglas Adams. The Hitchhiker’s Guide to the Galaxy. First Edition/Third Printing; Science Fiction.
“Arthur's best friend, Ford Prefect, arrives, warning him of the end of the world. Ford is revealed to be an alien who had come to Earth to research it for the titular Hitchhiker's Guide to the Galaxy, an enormous work providing information about every planet and place in the universe.”