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

I Thought It Was Just Me (but it isn't): Making the Journey from "What Will People Think?" to "I Am Enough"

Better Than Before: How to Make and Break Habits - and Build a Happier Life from the no.1 New York Times Bestselling Queen of Self-Help

The Sociopath Next Door

The Science of Getting Rich (The Unabridged Classic by Wallace D. Wattles)

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

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

Quiet: The Power of Introverts in a World That Can't Stop Talking

Outer Order, Inner Calm: Declutter and Organize to Make More Room for Happiness

The Psychopath Inside: A Neuroscientist's Personal Journey into the Dark Side of the Brain

The Best of the Happiness Project Blog: Ten Years of Happiness, Good Habits, and More

Life in Five Senses: How Exploring the Senses Got Me Out of My Head and Into the World

The Powers of the Mind

The INFJ Revolution: Reclaim Your Power, Live Your Purpose, Heal the World

Surrounded by Idiots: The Four Types of Human Behavior and How to Effectively Communicate with Each in Business (and in Life)

Map of the Soul – Persona: Our Many Faces

Toxic Parents

The Dictionary of Body Language