The Hitchhiker's Guide to the Galaxy a human-like alien writer for the eccentric, electronic travel guide "The Hitchhiker's Guide to the Galaxy", by hitchhiking onto a passing Vogon spacecraft. Following his rescue, Dent explores the galaxy with Prefect and encounters Trillian, another human who had been taken from Earth prior to its destruction by the President of the Galaxy, the two-headed Zaphod Beeblebrox, and the depressed Marvin, the Paranoid Android. Certain narrative details were changed between the various adaptations. The various versions follow the same basic plot but they are in many places mutually contradictory, as Adams rewrote the story substantially for each new adaptation. Throughout
The Hitchhiker's Guide to the Galaxy (novel) of an encyclopedia. The book begins with city council workmen arriving at Arthur Dent's house. They wish to demolish his house in order to build a bypass. 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. The two head to a pub, where the locals question Ford's knowledge of the Apocalypse. An alien race, known as Vogons, show up