Don't Sweat the Small Stuff--and it's all small stuff
Richard Carlson
Don't Worry, Make Money
Richard Carlson
Ignore Everybody
Hugh MacLeod
One Simple Idea
Stephen Key
Making Ideas Happen: Overcoming the Obstacles Between Vision and Reality
Scott Belsky
Rework
Jason Fried, David Heinemeier Hansson
The lean startup
Eric Ries