The Martian by Andy WeirRevelation Space by Alastair ReynoldsFoundation by Isaac AsimovDune by Frank HerbertRendezvous with Rama by Arthur C. Clarke
best hard science fiction
442 books — 889 voters
Dune by Frank HerbertOld Man's War by John ScalziLeviathan Wakes by James S.A. CoreyStarship Troopers by Robert A. HeinleinPandora's Star by Peter F. Hamilton
Excellent Space Opera
1,111 books — 3,810 voters

Freakonomics by Steven D. LevittGuns, Germs, and Steel by Jared DiamondOutliers by Malcolm GladwellCosmos by Carl SaganA Short History of Nearly Everything by Bill Bryson
Best Pop Science Books
174 books — 189 voters
Star Wars by Timothy ZahnPath of Destruction by Drew KarpyshynStar Wars by Timothy ZahnStar Wars by Timothy ZahnDarth Plagueis by James Luceno
Best Star Wars Books
467 books — 1,307 voters

Ready Player One by Ernest ClineThe Martian by Andy WeirOld Man's War by John ScalziThe Hunger Games by Suzanne CollinsLeviathan Wakes by James S.A. Corey
Best Science Fiction of the 21st Century
1,363 books — 9,539 voters