There are 6 books in the Hitchhiker's Guide to the Galaxy series. The newest book is The Doomsday Key which came out in 2009.

1
The Hitchhiker's Guide to the Galaxy

Book cover of The Hitchhiker's Guide to the Galaxy

This box set contains all five parts of the' trilogy of five' so you can listen to the complete tales of Arthur Dent, Ford Prefect, Zaphod Bebblebrox and Marvin the Paranoid Android! Travel through space, time and parallel universes with the only guide you'll ever need, The Hitchhiker's Guide to…

See all book lists

When you buy books, we may earn a commission that helps keep our lights on (or join the rebellion as a member).

2
The Restaurant at the End of the Universe

Book cover of The Restaurant at the End of the Universe

Following the smash-hit sci-fi comedy The Hitchhiker's Guide to the Galaxy, The Restaurant at the End of the Universe is the second part in Douglas Adams' multi-media phenomenon and cult classic series.

This edition includes exclusive bonus material from the Douglas Adams archives, and an introduction by Monty Python star,…

3
Life, The Universe And Everything

Book cover of Life, The Universe And Everything
Only five individuals stand between the killer robots of Krikkit and their goal of the total annihilation of the universe. They are Arthur Dent, homeless Englishman currently marooned in the deep past; his friend Ford Prefect, temporarily insane to see if he likes it, also marooned; Slartibartfast, once of the…

4
So Long, and Thanks for All the Fish

Book cover of So Long, and Thanks for All the Fish

So Long, and Thanks for All the Fish is the fourth installment in Douglas Adams' bestselling cult classic, the Hitchhiker's Guide to the Galaxy 'trilogy'.

This edition includes exclusive bonus material from the Douglas Adams archives, and an introduction by Neil Gaiman.

There is a knack to flying. The knack…

5
Mostly Harmless

Mostly Harmless

Mostly Harmless is the fifth and final part in Douglas Adams' much-loved cult classic series, The Hitchhiker's Guide to the Galaxy.

This edition includes exclusive bonus material from the Douglas Adams archives, and an introduction by Dirk Maggs, co-producer of BBC Radio 4's The Hitchhiker's Guide to the Galaxy Tertiary,…

6
The Doomsday Key

Book cover of The Doomsday Key

Discover the sixth book in the ludicrously inaccurately named Hitchhiker's Guide to the Galaxy trilogy, as broadcast on BBC Radio 4 and featuring original cast members including Simon Jones, Geoff McGivern, Mark Wing-Davey and Sandra Dickinson.

Arthur Dent led a perfectly ordinary, uneventful life until the Hitchhiker's Guide to the…