Title: So long, and thanks for all the fish
First published: 1984
Description: Preceded by: [Life, the Universe and Everything][1]

So Long, and Thanks for All the Fish is the fourth book of the Hitchhiker's Guide to the Galaxy "trilogy" written by Douglas Adams. Its title is the message left by the dolphins when they departed Planet Earth just before it was demolished to make way for a hyperspace bypass, as described in The Hitchhiker's Guide to the Galaxy.

Followed by: [Mostly Harmless][3]

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Also contained in:

 - [The Hitch Hiker's Guide to the Galaxy: A Trilogy in Four Parts][4]
 - [The More Than Complete Hitchhiker's Guide][5]
 - [Ultimate Hitchhiker's Guide to the Galaxy](https://openlibrary.org/works/OL2163706W)

  [1]: https://openlibrary.org/works/OL2163716W
  [2]: http://www.douglasadams.com/creations/0671745530.html
  [3]: https://openlibrary.org/works/OL2163718W
  [4]: https://openlibrary.org/works/OL2163692W
  [5]: https://openlibrary.org/works/OL2163713W
Subjects: Trilogy of Four, fantasy fiction, Fiction, Interplanetary voyages, Science Fiction, Ford Prefect (Fictitious character), Arthur Dent (Fictitious character), Belletristische Darstellung, Weltall, English literature, Fiction, science fiction, general, Fiction, humorous, general, Dent, arthur (fictitious character), fiction, Prefect, ford (fictitious character), fiction, Interstellar travel
Places: Earth, London, Islington
People: Arthur Dent, Ford Prefect