Solve for Happy
Mo Gawdat
The Defining Decade
Meg Jay
The Happiness Hypothesis
Jonathan Haidt
How to Win Friends and Influence People in the Digital Age
Dale Carnegie & Associates
Zen and the Art of Motorcycle Maintenance
Robert M. Pirsig
The Courage to Be Disliked: The Japanese Phenomenon That Shows ...
Ichiro Kishimi & Fumitake Koga