Practical Object Oriented Design in Ruby by Sandi MetzEloquent Ruby by Russ OlsenExceptional Ruby by Avdi GrimmThe Linux Programming Interface by Michael KerriskRuby Under a Microscope by Pat Shaughnessy
Picks from Ruby Rogues
110 books — 9 voters
Domain-Driven Design by Eric EvansContinuous delivery by Jez HumblePractical Object Oriented Design in Ruby by Sandi MetzObjects on Rails by Avdi GrimmConfident Ruby by Avdi Grimm
Domain Driven Design Books
7 books — 5 voters

The Pragmatic Programmer by Andy   HuntThe C Programming Language by Brian W. KernighanClean Code by Robert C. MartinDesign Patterns by Erich GammaCode Complete by Steve McConnell
Essential Programming Books
183 books — 525 voters

Gödel, Escher, Bach by Douglas R. HofstadterFermat's Enigma by Simon SinghFlatland by Edwin A. AbbottThe Code Book by Simon SinghZero by Charles Seife
Best Books About Mathematics
449 books — 667 voters
Flatland by Edwin A. AbbottThe Simpsons and Their Mathematical Secrets by Simon SinghThe Math Olympian by Richard HoshinoFermat's Enigma by Simon SinghZero by Charles Seife
For my math class
106 books — 30 voters