Partial contents: The hitch hiker's guide to the galaxy. Originally published: London : Pan, 1979. _ The restaurant at the end of the universe. Originally published: London : Pan, 1980. _ Life, the universe and everything. Originally published: London : Pan, 1982. _ So long, and thanks for all the fish. Originally published: London : Pan, 1984. _ Mostly harmless. Originally published: Heinemann, 1992.
The hitch hiker's guide to the galaxy : a trilogy in five parts by Douglas Adams. ISBN 0434003484. Published by Heinemann in 1995. Publication and catalogue information, links to buy online and reader comments.