So Long, And Thanks For All the Fish
Douglas Adams
Hitchhiker's Guide to the Galaxy (4)
The Restaurant at the End of the Universe
Hitchhiker's Guide to the Galaxy (2)
Mostly Harmless
Hitchhiker's Guide to the Galaxy (5)
The Long Dark Tea-Time of the Soul
Dirck Gently (2)
Life, the Universe, and Everything
Hitchhiker's Guide to the Galaxy (3)
Hitchhiker's Guide to the Galaxy
Hitchhiker's Guide to the Galaxy (1)
Dirk Gently's Holistic Detective Agency
Dirck Gently (1)