Old Man's War by John ScalziDune by Frank HerbertThe Long Way to a Small, Angry Planet by Becky ChambersShards of Honour by Lois McMaster BujoldThe Collapsing Empire by John Scalzi
Excellent Space Opera
1,032 books — 3,682 voters
The Left Hand of Darkness by Ursula K. Le GuinThe Fifth Season by N.K. JemisinDune by Frank Herbert
Popular Highly Rated Science Fiction
220 books — 117 voters

Exhalation by Ted Chiang
Science Fiction Released in 2019
60 books — 9 voters
The Curse of Chalion by Lois McMaster BujoldPaladin of Souls by Lois McMaster BujoldPerdido Street Station by China MiévilleThe Lies of Locke Lamora by Scott LynchA Storm of Swords by George R.R. Martin
Best Fantasy of the 2000s
603 books — 675 voters

Fahrenheit 451 by Ray BradburyA Canticle for Leibowitz by Walter M. Miller Jr.1984 by George OrwellThe Fifth Season by N.K. Jemisin
Best Dystopian and Post-Apocalyptic Fiction
3,765 books — 26,020 voters
Perdido Street Station by China MiévilleThe City & The City by China MiévilleAmerican Gods by Neil GaimanThe Scar by China Miéville
Best Outside-the-box Speculative Fiction
885 books — 486 voters

The Ultimate Hitchhiker’s Guide to the Galaxy by Douglas AdamsGood Omens by Terry PratchettGuards! Guards! by Terry PratchettRedshirts by John ScalziThe Android's Dream by John Scalzi
Best Humorous Fantasy and Science Fiction
1,093 books — 1,159 voters
The Shining by Stephen  KingPet Sematary by Stephen  KingThe Long Walk by Richard  BachmanLost Souls by Poppy Z. BriteSomething Wicked This Way Comes by Ray Bradbury
Best Horror Novels
2,087 books — 5,456 voters

J.R.R. Tolkien 4-Book Boxed Set by J.R.R. TolkienA Game of Thrones by George R.R. MartinTigana by Guy Gavriel KayThe Coming of Conan the Cimmerian by Robert E. Howard
The Best Epic Fantasy (fiction)
4,216 books — 25,812 voters
The Hitchhiker’s Guide to the Galaxy by Douglas AdamsThe Cyberiad by Stanisław LemThe Futurological Congress by Stanisław Lem
Best Comedic Science Ficttion Books
611 books — 1,187 voters

Good Omens by Terry PratchettThe Hitchhiker’s Guide to the Galaxy by Douglas Adams
Best Humorous Books
4,341 books — 7,946 voters
Altered Carbon by Richard K. MorganPerdido Street Station by China MiévilleOld Man's War by John ScalziThe City & the City by China MiévilleThe Quantum Thief by Hannu Rajaniemi
Best Science Fiction of the 21st Century
1,230 books — 8,973 voters

The Lord of the Rings by J.R.R. TolkienImajica by Clive BarkerThe Stand by Stephen  King
The Best Longest Books
78 books — 86 voters
The Book Thief by Markus ZusakPerdido Street Station by China MiévilleThe City & the City by China MiévilleThe Scar by China Miéville
Best Books of the Decade: 2000s
7,186 books — 28,369 voters

A Storm of Swords by George R.R. MartinPerdido Street Station by China MiévilleThe Scar by China Miéville
Best Fantasy Books of the 21st Century
3,062 books — 9,908 voters
The Lord of the Rings by J.R.R. TolkienA Game of Thrones by George R.R. MartinThe Color of Magic by Terry PratchettThe Fionavar Tapestry by Guy Gavriel Kay
Best Fantasy Series, Trilogies, and Duologies
2,084 books — 11,745 voters

The Fellowship of the Ring by J.R.R. TolkienFor Whom the Bell Tolls by Ernest Hemingway
Best Books Ever
76,607 books — 284,940 voters
Foundation by Isaac AsimovThe Left Hand of Darkness by Ursula K. Le GuinAltered Carbon by Richard K. MorganEon by Greg BearDune by Frank Herbert
Best Science Fiction & Fantasy Books
8,464 books — 24,738 voters