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) Hitchhiker's Guide to the Galaxy" (1979), "The Restaurant at the End of the Universe" (1980), "Life, the Universe and Everything" (1982), "So Long, and Thanks for All the Fish" (1984) and "Mostly Harmless" (1992). On 16 September 2008 it was announced that Irish author Eoin Colfer was to pen a sixth book. The book, entitled "And Another Thing...", was published in October 2009, on the 30th anniversary of the publication of the original novel. When Elon Musk's Tesla Roadster was launched into space on the maiden flight of the Falcon Heavy rocket in February 2018, it had the words DON'T