The Guardian UK ran a survey voting for the top 20 geek novels written since 1932. The books I’ve read are marked in bold, the ones I also own are marked in italics.

1. The Hitchhiker’s Guide to the Galaxy — Douglas Adams
2. Nineteen Eighty-Four — George Orwell
3. Brave New World — Aldous Huxley
4. Do Androids Dream of Electric Sheep? — Philip K Dick
5. Neuromancer — William Gibson
6. Dune — Frank Herbert
7. I, Robot — Isaac Asimov
8. Foundation — Isaac Asimov
9. The Colour of Magic — Terry Pratchett
10. Microserfs — Douglas Coupland
11. Snow Crash — Neal Stephenson
12. Watchmen — Alan Moore & Dave Gibbons
13. Cryptonomicon — Neal Stephenson
14. Consider Phlebas — Iain M Banks
15. Stranger in a Strange Land — Robert Heinlein
16. The Man in the High Castle — Philip K Dick
17. American Gods — Neil Gaiman
18. The Diamond Age — Neal Stephenson
19. The Illuminatus! Trilogy — Robert Shea & Robert Anton Wilson
20. Trouble with Lichen — John Wyndham

Of the ones I haven’t read, I have read something else by the same author in most of the cases. And the rest are in my reading list. I need to return some books to the library on Monday anyway, so I’ll keep my eyes open.