The Hitchhiker’s Guide to the Galaxy by Douglas AdamsDirk Gently's Holistic Detective Agency by Douglas AdamsThe Automatic Detective by A. Lee MartinezThief of Time by Terry PratchettSpace Captain Smith by Toby Frost
fun / funny Sci-Fi & Fantasy
203 books — 134 voters
The Hitchhiker’s Guide to the Galaxy by Douglas AdamsDirk Gently's Holistic Detective Agency by Douglas AdamsStarship Grifters by Robert KroeseThe Automatic Detective by A. Lee MartinezSpace Captain Smith by Toby Frost
Best Comedic Science Ficttion Books
610 books — 1,189 voters

The Automatic Detective by A. Lee MartinezGood Omens by Terry Pratchett
Humorous Paranormal Books
1,425 books — 2,022 voters
Guns, Germs, and Steel by Jared DiamondFreakonomics by Steven D. LevittOutliers by Malcolm GladwellBrave New World by Aldous Huxley1984 by George Orwell
Best Books To Frame Thinking
1,277 books — 1,425 voters

Ender’s Game by Orson Scott CardFoundation by Isaac AsimovStarship Troopers by Robert A. HeinleinThe Ultimate Hitchhiker’s Guide to the Galaxy by Douglas AdamsOld Man's War by John Scalzi
Best Space Opera
1,081 books — 1,729 voters