Tactical Boundaries: How to make all of your relationships work for you

Your Perfect Right, Tenth Edition: Assertiveness and Equality in Your Life and Relationships

Who's in Your Room?, Revised and Updated: The Question That Will Change Your Life

From the Board Room to the Living Room: Communicate with Skill for Positive Outcomes

The Trophy Effect: Destroying Self-Doubt, Discovering Your True Self, and Taking Control of Your Life Forever!

10 Letters to a Stranger

Scale Your Everest: How to be a Resilient Entrepreneur

I’ll Get Back to You: The Dyscommunication Crisis: Why Unreturned Messages Drive Us Crazy and What to Do About It

Sell More with Science: The Mindsets, Traits and Behaviours That Create Sales Success

The Power of Neurodiversity: Unleashing the Advantages of Your Differently Wired Brain (published in hardcover as Neurodiversity)

Optimal: How to Sustain Excellence Every Day

The Simple Solution!: Are Fear and Chaos Destroying Our Healthy, Happy, and Loving Environment?

Transform through Purpose: Your Path to Living an Authentic and Intentional Life

The Property Species: Mine, Yours, and the Human Mind

Attachment Disturbances in Adults: Treatment for Comprehensive Repair

The Me of Tomorrow: A Planning Manual for Your Future Life

Positive Thinking Volume One: Have a Great Day, Positive Imaging, and The Positive Power of Jesus Christ

Unraveling: Remaking Personhood in a Neurodiverse Age

Optimal: How to Sustain Personal and Organizational Excellence Every Day

Integrative Behavioral Couple Therapy: A Therapist's Guide to Creating Acceptance and Change, Second Edition