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1. Hitchhiker's Guide to the Galaxy, the (1979)
2. Restaurant at the End of the Universe, the (1980)
3. Life, the Universe and Everything (1982)
4. So Long, and Thanks for All the Fish (1984)
5. Dirk Gently's Holistic Detective Agency (1987)
6. Long Dark Tea-time of the Soul, the (1988)
7. Mostly Harmless (1992)