Hyperion by Dan SimmonsEnchantment by Orson Scott CardThe Anubis Gates by Tim PowersSlaughterhouse-Five by Kurt Vonnegut Jr.A Connecticut Yankee in King Arthur's Court by Mark Twain
Best Time Travel Fiction
2,053 books — 5,368 voters
The Book of the New Sun by Gene WolfeThe Shadow of the Torturer by Gene WolfeThe Sword of the Lictor by Gene WolfeThe Citadel of the Autarch by Gene WolfeHyperion by Dan Simmons
Best Science Fiction
3,779 books — 7,338 voters

The Book of the New Sun by Gene WolfeThe Hyperion Omnibus by Dan SimmonsThe Great Dune Trilogy by Frank Herbert
Best Science Fiction Series
440 books — 1,133 voters

The Once and Future King by T.H. WhiteMary Stewart's Merlin Trilogy by Mary  StewartA Connecticut Yankee in King Arthur's Court by Mark TwainThe Story of King Arthur and His Knights by Howard PyleArthur Rex by Thomas Berger
The Arthurian Legend Retold
455 books — 747 voters
Dune by Frank HerbertEnder’s Game by Orson Scott CardThe Martian Chronicles by Ray Bradbury1984 by George OrwellDune Messiah by Frank Herbert
The Best Classical Science Fiction Works
113 books — 154 voters

1984 by George OrwellBrave New World by Aldous HuxleyFahrenheit 451 by Ray BradburyWe by Yevgeny Zamyatin
Best Dystopian and Post-Apocalyptic Fiction
3,925 books — 26,178 voters
The Once and Future King by T.H. WhiteA Connecticut Yankee in King Arthur's Court by Mark TwainArthur Rex by Thomas Berger
Best Arthurian Fiction
480 books — 1,447 voters

Slaughterhouse-Five by Kurt Vonnegut Jr.Brave New World by Aldous Huxley1984 by George OrwellCat’s Cradle by Kurt Vonnegut Jr.Dune by Frank Herbert
Adult Science Fiction
188 books — 49 voters
Ender’s Game by Orson Scott CardDune by Frank HerbertBrave New World by Aldous HuxleySlaughterhouse-Five by Kurt Vonnegut Jr.Cat’s Cradle by Kurt Vonnegut Jr.
Best Science Fiction & Fantasy Books
8,611 books — 25,117 voters