The Hitchhiker's Guide to the Galaxy Reading Order
Douglas Adams's Hitchhiker's Guide is the funniest science fiction ever written — the misadventures of hapless Englishman Arthur Dent across a gloriously absurd universe. Adams called it 'a trilogy in five parts.'
Our Recommendation: Publication Order
Read in publication order. The five books form one continuous (if increasingly surreal) story. A sixth, written by another author after Adams's death, is optional.
The 'Trilogy in Five Parts'
- The Hitchhiker's Guide to the GalaxyBuy NowAudible1979
- The Restaurant at the End of the UniverseBuy NowAudible1980
- Life, the Universe and EverythingBuy NowAudible1982
- So Long, and Thanks for All the FishBuy NowAudible1984
- Mostly HarmlessBuy NowAudible1992
Own the Complete Series
Buying the whole series at once is usually cheaper than individual books, and box sets make a great gift. See The Hitchhiker's Guide to the Galaxy box set options on Amazon ›
The Sixth Book
And Another Thing... (2009) was written by Eoin Colfer with the blessing of Adams's estate. Fans are split on it — read it only if you want more after Mostly Harmless.
Frequently Asked Questions
How many Hitchhiker's Guide books are there?
Five by Douglas Adams, plus a sixth (And Another Thing...) written by Eoin Colfer after Adams's death. Adams jokingly called it a 'trilogy in five parts.'
Do I need to read them in order?
Yes — later books reference earlier events constantly, and the running jokes build across the series.
As an Amazon Associate, we earn from qualifying purchases. Last updated: July 2026.