The Enneagram in Love & Work: Understanding Your Intimate & Business Relationships

The Complete Enneagram: 27 Paths to Greater Self-Knowledge

The Pocket Enneagram: Understanding the 9 Types of People

The Spiritual Dimension of the Enneagram: Nine Faces of the Soul

Discovering Your Personality Type: The Essential Introduction to the Enneagram

Adult Children of Emotionally Immature Parents: How to Heal from Distant, Rejecting, or Self-Involved Parents

Attached: The New Science of Adult Attachment and How It Can Help You Find--and Keep-- Love

Nonviolent Communication: A Language of Life: Life-Changing Tools for Healthy Relationships, Edition 3

He's Lying Sis: Uncover the Truth Behind His Words and Actions, Volume 1

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

Atomic Habits: The life-changing million-copy #1 bestseller

The Culture Map: Breaking Through the Invisible Boundaries of Global Business

How to Win Friends and Influence People: Updated For the Next Generation of Leaders

I Love You But I Don't Trust You: The Complete Guide to Restoring Trust in Your Relationship

The Sociopath Next Door

The Gaslight Effect: How to Spot and Survive the Hidden Manipulation Others Use to Control Your Life

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

How to Win Friends and Influence People in the Digital Age

How to Hug a Porcupine: Easy Ways to Love the Difficult People in Your Life

Never Split the Difference: Negotiating as if Your Life Depended on It