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

Loving Someone with Borderline Personality Disorder: How to Keep Out-of-Control Emotions from Destroying Your Relationship

Boundaries Updated and Expanded Edition: When to Say Yes, How to Say No To Take Control of Your Life

Psychopath Free (Expanded Edition): Recovering from Emotionally Abusive Relationships With Narcissists, Sociopaths, and Other Toxic People

3 AM Questions: For Inspiring Conversations, Growth & Self-Reflection. As seen on Tiktok: 3am questions

Whole Again: Healing Your Heart and Rediscovering Your True Self After Toxic Relationships and Emotional Abuse

Set Boundaries, Find Peace: A Guide to Reclaiming Yourself

Narcissistic Abuse, Gaslighting, & Codependency Recovery: Protect Yourself Against Dark Psychology Tactics, Recognize Emotionally Abusive People, and Spot Manipulation to End Toxic Relationships.

Impossible to Please: How to Deal with Perfectionist Coworkers, Controlling Spouses, and Other Incredibly Critical People

The New Codependency: Help and Guidance for Today's Generation

Sharing Experience, Strength & Hope (SESH)

The Buddha and the Borderline: My Recovery from Borderline Personality Disorder through Dialectical Behavior Therapy, Buddhism, and Online Dating

Healing the Child Within: Discovery and Recovery for Adult Children of Dysfunctional Families (Recovery Classics Edition)

How to Meet Your Self: the million-copy bestselling author

The People Factor: How Building Great Relationships and Ending Bad Ones Unlocks Your God-Given Purpose

Tormenting Thoughts and Secret Rituals: The Hidden Epidemic of Obsessive-Compulsive Disorder

Stop Walking on Eggshells for Partners: What to Do When Your Partner Has Borderline or Narcissistic Personality Disorder