Mating in Captivity: Unlocking Erotic Intelligence

The 5 Love Languages: The Secret to Love that Lasts, Edition 4

The Seven Principles For Making Marriage Work

Hold Me Tight: Your Guide to the Most Successful Approach to Building Loving Relationships

The Healthy Pregnancy Book: Month by Month, Everything You Need to Know from America's Baby Experts

Boundaries in Marriage: Understanding the Choices That Make or Break Loving Relationships

8 Rules of Love: How to Find It, Keep It, and Let It Go

Relationship Goals: How to Win at Dating, Marriage, and Sex

The Meaning of Marriage: Facing the Complexities of Commitment with the Wisdom of God

Atomic Attraction: The Psychology of Attraction

The Value of Others: Understanding the Economic Model of Relationships to Get (and Keep) More of What You Want in the Sexual Marketplace

Mars And Venus In The Bedroom: A Guide to Lasting Romance and Passion

The Journal of Best Practices: A Memoir of Marriage, Asperger Syndrome, and One Man's Quest to Be a Better Husband

The Invisible Partners: How the Male and Female in Each of Us Affects Our Relationships

The Wait: A Powerful Practice for Finding the Love of Your Life and the Life You Love

What Are the 5 Love Languages?: The Official Book Summary

NOT "Just Friends": Rebuilding Trust and Recovering Your Sanity After Infidelity

The Diary of a CEO: The 33 Laws of Business and Life

His Needs, Her Needs: Building an Affair-Proof Marriage

The Act of Marriage: The Beauty of Sexual Love