Books
The Hitchhiker's Guide to the Galaxy: Hitchhiker's Guide to the Galaxy Book 1
1984
The Restaurant at the End of the Universe: Hitchhiker's Guide to the Galaxy Book 2
1989
Dirk Gently's Holistic Detective Agency: Dirk Gently 1
1988
Life, the Universe and Everything: Hitchhiker's Guide to the Galaxy Book 3
1984
The Long Dark Tea-Time of the Soul: Dirk Gently 2
1989
The Ultimate Hitchhiker's Guide to the Galaxy
2017