Shape Up
Ryan Singer
Zen and the Art of Motorcycle Maintenance
Robert M. Pirsig
Mere Christianity
C. S. Lewis
It Doesn't Have to Be Crazy at Work
Jason Fried & David Heinemeier Hansson
Four Ways of Thinking
David Sumpter
Tiny Habits: The Small Changes That Change Everything
BJ Fogg
User Friendly
Cliff Kuang & Robert Fabricant