The Hitchhiker’s Guide to the Galaxy (series)

4 books in the catalogue from the The Hitchhiker’s Guide to the Galaxy series, in series order where it is known.

1. #1 The Hitchhikers's Guide to the Galaxy — Douglas Adams
2. #2 The Restaurant at the End of the Universe — Douglas Adams
3. #3 Life, the Universe, and Everything — Douglas Adams
4. #5 Mostly Harmless — Douglas Adams