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
206 books — 136 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
611 books — 1,186 voters

The Automatic Detective by A. Lee MartinezGood Omens by Terry Pratchett
Humorous Paranormal Books
1,430 books — 2,017 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
1,296 books — 1,421 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
1,095 books — 1,833 voters