The Hitchhiker’s Guide to the Galaxy by Douglas Adams
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Storm Front by Jim  Butcher
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1,906 books — 4,341 voters

Ender’s Game by Orson Scott Card
Best Science Fiction & Fantasy Books
8,487 books — 24,761 voters
Guns, Germs, and Steel by Jared Diamond
Best Non-Fiction (no biographies)
6,239 books — 8,069 voters

The Hitchhiker’s Guide to the Galaxy by Douglas AdamsEnder’s Game by Orson Scott Card
Best Books Ever
76,692 books — 285,197 voters