The Restaurant at the End of the Universe
Douglas Adams
The Hitchhiker's Guide to the Galaxy (2)
Life, the Universe and Everything
The Hitchhiker's Guide to the Galaxy (3)
So Long, and Thanks for All the Fish
The Hitchhiker's Guide to the Galaxy (4)
Mostly Harmless
The Hitchhiker's Guide to the Galaxy (5)
The Hitchhiker S Guide to the Galaxy: Secondary Phase: Special ...
The Hitchhiker's Guide to the Galaxy (1)