Ender’s Game by Orson Scott CardThe Forever War by Joe HaldemanRingworld by Larry NivenThe Windup Girl by Paolo BacigalupiFlowers for Algernon by Daniel Keyes
Joint Hugo & Nebula Award Winners
28 books — 38 voters

The Martian by Andy Weir
Best Science Fiction of the 21st Century
1,193 books — 8,933 voters
Three Men in a Boat by Jerome K. JeromeThe Hitchhiker’s Guide to the Galaxy by Douglas AdamsThe Essential Calvin and Hobbes by Bill WattersonThe Restaurant at the End of the Universe by Douglas AdamsRight Ho, Jeeves by P.G. Wodehouse
Best Humorous Books
4,303 books — 7,858 voters