All Systems Red by Martha WellsDune by Frank HerbertThe Hitchhiker’s Guide to the Galaxy by Douglas Adams1984 by George OrwellAnimal Farm by George Orwell
Best Science Fiction
3,586 books — 6,839 voters
Dune by Frank HerbertLeviathan Wakes by James S.A. CoreyAncillary Justice by Ann Leckie
Excellent Space Opera
972 books — 3,513 voters

J.R.R. Tolkien 4-Book Boxed Set by J.R.R. TolkienThe Name of the Wind by Patrick RothfussThe Way of Kings by Brandon SandersonThe Fifth Season by N.K. Jemisin
The Best Epic Fantasy (fiction)
4,107 books — 25,622 voters
The Name of the Wind by Patrick RothfussThe Wise Man's Fear by Patrick RothfussThe Way of Kings by Brandon SandersonHarry Potter and the Half-Blood Prince by J.K. RowlingHarry Potter and the Deathly Hallows by J.K. Rowling
Best Fantasy Books of the 21st Century
3,032 books — 9,847 voters

At the Water's Edge by Carl ZimmerYour Inner Fish by Neil Shubin
Best Books on Evolution...
267 books — 216 voters
Squid Empire by Danna StaafThe Rise and Fall of the Dinosaurs by Steve BrusatteAt the Water's Edge by Carl Zimmer
Learn about prehistoric life
50 books — 45 voters

Squid Empire by Danna StaafYour Inner Fish by Neil ShubinAt the Water's Edge by Carl ZimmerDeep by James Nestor
Marine biology reads
209 books — 24 voters
Educational Game Design Fundamentals by George KalmpourtzisOn the Wing by David E.   Alexander
Interesting Non-Fiction Books
457 books — 162 voters