Old Man's War by John ScalziConsider Phlebas by Iain M. BanksStarship Troopers by Robert A. HeinleinOn Basilisk Station by David  Weber
Excellent Space Opera
1,016 books — 3,633 voters
Ender’s Game by Orson Scott CardOld Man's War by John ScalziOn Basilisk Station by David  WeberStarship Troopers by Robert A. Heinlein1632 by Eric Flint
Military Science Fiction
839 books — 1,134 voters

Cold Days by Jim  ButcherThe Hydrogen Sonata by Iain M. BanksDoors of Stone by Patrick Rothfuss
Can't Wait Sci-Fi/Fantasy of 2012
181 books — 324 voters
Harry Potter Series Box Set by J.K. RowlingThe Princess Bride by William GoldmanThe Moon Is a Harsh Mistress by Robert A. HeinleinEnder’s Game by Orson Scott CardThe Lord of the Rings by J.R.R. Tolkien
S&L Top-100 Science Fiction, Fantasy Titles
1,704 books — 2,201 voters

Storm Front by Jim  ButcherThe Name of the Wind by Patrick RothfussNight Watch by Sergei Lukyanenko
Most Interesting Magic System
2,645 books — 8,768 voters
Excession by Iain M. BanksThe Moon Is a Harsh Mistress by Robert A. HeinleinI, Robot by Isaac AsimovSpeaker for the Dead by Orson Scott Card2001 by Arthur C. Clarke
Best Books on Artificial Intelligence
419 books — 656 voters

Old Man's War by John ScalziThe Ghost Brigades by John ScalziRevelation Space by Alastair ReynoldsMatter by Iain M. BanksRedemption Ark by Alastair Reynolds
Best Science Fiction of the 21st Century
1,209 books — 8,953 voters