Dirk Gently's Holistic Detective Agency
Douglas Adams
Dirk Gently (1)
Last Chance to See
Douglas Adams & Mark Carwardine
Life, the Universe, and Everything
The Long Dark Tea-Time of the Soul
The Meaning of Liff
Douglas Adams & John Lloyd
Mostly Harmless
Hitchhiker's Guide to the Galaxy (5)
The Restaurant at the End of the Universe
Hitchhiker's Guide to the Galaxy (2)
The Salmon of Doubt: Hitchhiking the Galaxy One Last Time
Dirk Gently (3)
So Long, and Thanks for All the Fish
Hitchhiker's Guide to the Galaxy (4)
The Ultimate Hitchhiker's Guide