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