Hyperion by Dan Simmons
Best Science Fiction
3,957 books — 8,227 voters
Old Man's War by John Scalzi
Best Science Fiction of the 21st Century
1,234 books — 9,184 voters

Ender’s Game by Orson Scott Card
Best Science Fiction & Fantasy Books
8,936 books — 26,340 voters
Old Man's War by John Scalzi
Excellent Space Opera
1,172 books — 4,026 voters

The Hitchhiker’s Guide to the Galaxy by Douglas Adams
Best Science Fiction of the 20th Century
751 books — 497 voters