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
2,080 books — 2,161 voters
A Clockwork Orange by Anthony Burgess
Best Science Fiction of the 20th Century
553 books — 481 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
3,652 books — 6,973 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
8,351 books — 24,661 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
395 books — 275 voters

The Darkness Outside Us by Eliot SchreferUnder the Whispering Door by T.J. KluneWinter's Orbit by Everina Maxwell
2021 Queer SFF
233 books — 527 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
2,062 books — 1,957 voters

The Long Way to a Small, Angry Planet by Becky ChambersAll Systems Red by Martha Wells
Excellent Space Opera
1,016 books — 3,636 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
76,075 books — 282,637 voters