How to Win Friends and Influence People in the Digital Age
Dale Carnegie & Associates
The 7 Habits of Highly Effective People
Stephen R. Covey
Nudge: Improving Decisions About Health, Wealth, and Happiness
Sunstein, Cass R. & Richard H. Thaler
Solve for Happy
Mo Gawdat
Rework
Jason Fried & David Heinemeier Hansson