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
1,121 books — 3,826 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
209 books — 150 voters

Exhalation by Ted Chiang
Science Fiction Released in 2019
73 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
632 books — 679 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
4,005 books — 26,669 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
894 books — 494 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
1,110 books — 1,259 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
2,121 books — 5,515 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)
4,684 books — 26,717 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
626 books — 1,201 voters

Good Omens by Terry PratchettThe Hitchhiker’s Guide to the Galaxy by Douglas Adams
Best Humorous Books
4,423 books — 8,254 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
1,198 books — 9,083 voters

The Lord of the Rings by J.R.R. TolkienImajica by Clive BarkerThe Stand by Stephen  King
The Best Longest Books
78 books — 87 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
7,221 books — 28,376 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
3,114 books — 10,110 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
2,206 books — 12,192 voters

The Fellowship of the Ring by J.R.R. TolkienFor Whom the Bell Tolls by Ernest Hemingway
Best Books Ever
78,466 books — 292,431 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
8,745 books — 25,697 voters