BY DOUGLAS ADAMS:
Published by The Random House Publishing Group

The Hitchhiker’s Guide to the Galaxy
The Restaurant at the End of the Universe
Life, the Universe and Everything
So Long, and Thanks for All the Fish
Mostly Harmless
The Ultimate Hitchhiker’s Guide to the Galaxy
The Salmon of Doubt
Dirk Gently’s Holistic Detective Agency
The Long Tea-Time of the Soul
The Original Hitchhiker Radio Scripts
The Meaning of Liff (with John Lloyd)
Last Chance to See (with Mark Cowardine)
The Deeper Meaning of Liff (with John Lloyd)