The Power of Positive Thinking
Norman Vincent Peale
The Richest Man in Babylon
George S. Clason
Awaken the Giant Within
Tony Robbins
The Art of Happiness
Dalai Lama
The Art of Simple Living
Shunmyo Masuno & Harriet Lee-Merrion
The Power of Habit
Charles Duhigg
The Magic of Thinking Big
David J. Schwartz
Becoming
Michelle Obama
The Happiness Advantage: The Seven Principles of Positive Psychology ...
Shawn Achor