The Hitchhiker's Guide to the Galaxy
Douglas Adams
The ultimate hitchhiker's guide to the galaxy
Life, the Universe and Everything
Hitchhiker's Guide to the Galaxy (3)
Mostly Harmless
Hitchhiker's Guide to the Galaxy (5)
Dirk Gently's Holistic Detective Agency
The Restaurant at the End of the Universe: Hitchhiker's Guide ...
The Long Dark Tea-Time of the Soul
So Long, and Thanks for All the Fish