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