Ender’s Game by Orson Scott CardHyperion by Dan SimmonsNeuromancer by William GibsonJurassic Park by Michael Crichton
Best Science Fiction
3,694 books — 7,085 voters
Starship Troopers by Robert A. HeinleinWarstrider by William H. Keith Jr.The Forever War by Joe HaldemanArmor by John SteakleyAll You Need Is Kill by Hiroshi Sakurazaka
MVP Military Sci-fi
87 books — 15 voters

Blindsight by Peter WattsThe Reality Dysfunction by Peter F. HamiltonAlien by Tim LebbonMetro 7 by Matthew J. HellscreamThe Dark by Forrest  Carr
Space Horror
330 books — 294 voters
Ender’s Game by Orson Scott CardDune by Frank HerbertStranger in a Strange Land by Robert A. HeinleinJurassic Park by Michael CrichtonStarship Troopers by Robert A. Heinlein
Best Science Fiction & Fantasy Books
8,534 books — 24,837 voters

Speaker for the Dead by Orson Scott CardCommunion by Whitley StrieberStarship Troopers by Robert A. HeinleinAlien by Alan Dean Foster
First Contact
280 books — 393 voters
Ender’s Game by Orson Scott Card
Alien Invasions
95 books — 101 voters

Ender’s Game by Orson Scott CardOld Man's War by John ScalziBattlefield Earth by L. Ron HubbardThe Reality Dysfunction by Peter F. HamiltonThe Reality Dysfunction 2 by Peter F. Hamilton
Military Science Fiction
840 books — 1,135 voters
The Reality Dysfunction by Peter F. HamiltonOld Man's War by John Scalzi
Excellent Space Opera
1,035 books — 3,715 voters