The Hitchhikers Guide to Galaxy
Douglas Adams
HHGTTG - The Lost Chapters
Life, the Universe, and Everything
Dirk Gently's Holistic Detective Agency (Dirk Gently Series)
Mostly Harmless
The Long Dark Tea-Time of the Soul
So Long, and Thanks for All the Fish
Life, the Universe and Everything
The Restaurant at the End of the Universe
The Hitchhiker's Guide to the Galaxy
Douglas Adams & Eoin Colfer
The Ultimate Hitchhiker's Guide to the Galaxy
Douglas Adams & Neil Gaiman