Mere Christianity
C. S. Lewis
Four Ways of Thinking
David Sumpter
How to Win Friends and Influence People in the Digital Age
Dale Carnegie & Associates
The Happiness Hypothesis
Jonathan Haidt
The Courage to Be Disliked: The Japanese Phenomenon That Shows ...
Ichiro Kishimi & Fumitake Koga
Tiny Habits: The Small Changes That Change Everything
BJ Fogg