Dune by Frank HerbertOn Basilisk Station by David  WeberThe Moon Is a Harsh Mistress by Robert A. HeinleinThe Hitchhiker’s Guide to the Galaxy by Douglas Adams
Space Opera Fans Favorites
300 books — 152 voters
Ender’s Game by Orson Scott CardDune by Frank HerbertThe Forever War by Joe Haldeman
Best Science Fiction & Fantasy Books
8,718 books — 25,763 voters

Dune by Frank HerbertThe Forever War by Joe HaldemanHyperion by Dan SimmonsA Fire Upon the Deep by Vernor Vinge
Space Opera
864 books — 1,124 voters
Dune by Frank HerbertEnder’s Game by Orson Scott CardThe Ultimate Hitchhiker’s Guide to the Galaxy by Douglas AdamsThe Name of the Wind by Patrick RothfussNeuromancer by William Gibson
S&L Top-100 Science Fiction, Fantasy Titles
1,763 books — 2,248 voters

The Republic of Thieves by Scott LynchSkin Game by Jim  ButcherHunted by Kevin Hearne
Can't Wait Science Fiction/Fantasy of 2013
656 books — 2,917 voters
On Basilisk Station by David  WeberA Fire Upon the Deep by Vernor Vinge
Excellent Space Opera
1,117 books — 3,815 voters

Dune by Frank HerbertWatership Down by Richard  AdamsEnder’s Game by Orson Scott CardLord of the Flies by William GoldingCatch-22 by Joseph Heller
Best Books Ever
78,245 books — 291,845 voters