The Long Way to a Small, Angry Planet by Becky ChambersBabel-17 by Samuel R. DelanyFugitive Telemetry by Martha Wells
Most Under-rated Science Fiction
2,131 books — 2,289 voters
A Clockwork Orange by Anthony Burgess
Best Science Fiction of the 20th Century
555 books — 483 voters

The Hitchhiker’s Guide to the Galaxy by Douglas AdamsFoundation by Isaac AsimovBrave New World by Aldous HuxleyI, Robot by Isaac AsimovSlaughterhouse-Five by Kurt Vonnegut Jr.
Best Science Fiction
3,767 books — 7,322 voters
Foundation by Isaac AsimovThe Ultimate Hitchhiker’s Guide to the Galaxy by Douglas AdamsSlaughterhouse-Five by Kurt Vonnegut Jr.I, Robot by Isaac AsimovNeuromancer by William Gibson
Best Science Fiction & Fantasy Books
8,593 books — 25,070 voters

A Stitch in Time by Andrew Jordt Robinson
Star Trek Books That Don't Actually Suck
213 books — 126 voters
Spock's World by Diane Duane
Best Star Trek Books
397 books — 276 voters

The Darkness Outside Us by Eliot SchreferUnder the Whispering Door by T.J. KluneWinter's Orbit by Everina Maxwell
2021 Queer SFF
236 books — 528 voters
The Left Hand of Darkness by Ursula K. Le GuinThe Long Way to a Small, Angry Planet by Becky ChambersThe House in the Cerulean Sea by T.J. KluneGideon the Ninth by Tamsyn Muir
LGBTQ Science Fiction and Fantasy
2,066 books — 1,974 voters

The Long Way to a Small, Angry Planet by Becky ChambersAll Systems Red by Martha Wells
Excellent Space Opera
1,086 books — 3,822 voters
The Book Thief by Markus ZusakThe Lightning Thief by Rick RiordanThe Hitchhiker’s Guide to the Galaxy by Douglas AdamsA Clockwork Orange by Anthony BurgessThe Last Olympian by Rick Riordan
Best Books Ever
77,309 books — 288,337 voters