Chariots of The Gods by Erich von DänikenFallen Angels by Deborah McClatchey2001 by Arthur C. ClarkeThe Sirius Mystery by Robert K.G. TempleThe 12th Planet by Zecharia Sitchin
Ancient Aliens
74 books — 70 voters
The Martian by Andy WeirThe Forever War by Joe HaldemanLeviathan Wakes by James S.A. CoreyAltered Carbon by Richard K. MorganRendezvous with Rama by Arthur C. Clarke
Hard SF reading group
83 books — 54 voters

Dune by Frank HerbertChildhood’s End by Arthur C. ClarkeFoundation by Isaac AsimovThe Three-Body Problem by Liu CixinRendezvous with Rama by Arthur C. Clarke
Mind-bending Science Fiction
222 books — 161 voters

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
392 books — 718 voters
Ringworld by Larry NivenRendezvous with Rama by Arthur C. Clarke2001 by Arthur C. ClarkePushing Ice by Alastair ReynoldsRevelation Space by Alastair Reynolds
Big Dumb Objects
68 books — 77 voters

The C Programming Language by Brian W. KernighanIntroduction to Algorithms by Thomas H. CormenClean Code by Robert C. MartinCode Complete by Steve McConnellDesign Patterns by Erich Gamma
software-development
70 books — 91 voters

The God Delusion by Richard DawkinsGod Is Not Great by Christopher HitchensThe Demon-Haunted World by Carl SaganThe End of Faith by Sam HarrisLetter to a Christian Nation by Sam Harris
Notable Atheist Books
543 books — 937 voters
For the Win by Kevin WerbachReality is Broken by Jane McGonigalGamification by Design by Gabe ZichermannA Newborn Business by Zoltan AndrejkovicsThe Gamification of Learning and Instruction by Karl M. Kapp
Gamification
13 books — 24 voters