The Values Factor: The Secret to Creating an Inspired and Fulfilling Life

The Happiness Advantage: The Seven Principles of Positive Psychology that Fuel Success and Performance at Work

The Happiness Project: Or, Why I Spent a Year Trying to Sing in the Morning, Clean My Closets, Fight Right, Read Aristotle, and Generally Have More Fun

The Secret of the Ages: The Master Code to Abundance and Achievement

Outer Order Inner Calm: declutter and organize to make more room for happiness

Get Anyone to Do Anything: Never Feel Powerless Again--With Psychological Secrets to Control and Influence Every Situation

Happier at Home: Kiss More, Jump More, Abandon a Project, Read Samuel Johnson, and My Other Experiments in the Practice of Everyday Life

The Four Tendencies: The Indispensable Personality Profiles That Reveal How to Make Your Life Better (and Other People's Lives Better, Too)

Presence: Bringing Your Boldest Self to Your Biggest Challenges

Switch: How to change things when change is hard

Boost Your Brain: The New Art and Science Behind Enhanced Brain Performance

Give and Take: A Revolutionary Approach to Success

Emotional Intelligence: Practical Steps to Build a Better Life, Improve Your Social Skills, Get Ahead at Work, and Master Your Emotions By: Charles Cummings