The Hitchhiker's Guide to the Galaxy Series

1.The Hitchhiker's Guide to the Galaxy

133 pages|Published 1979

2.The Restaurant at the End of the Universe

250 pages|Published 1980

3.Life, the Universe and Everything

224 pages|Published 1982

4.So Long, and Thanks for All the Fish

225 pages|Published 1984

5.Mostly Harmless

288 pages|Published 1992

6.And Another Thing...

275 pages|Published 2009

The Ultimate Hitchhiker's Guide to the Galaxy

815 pages|Published 1996

The Salmon of Doubt

Hitchhiking the Galaxy One Last Time

298 pages|Published 2002

0.5.Young Zaphod Plays It Safe

11 pages|Published 1986