The Seven Principles for Making Marriage Work: A Practical Guide from the Country's Foremost Relationship Expert

The Relationship Cure: A 5 Step Guide to Strengthening Your Marriage, Family, and Friendships

Ten Lessons to Transform Your Marriage: America's Love Lab Experts Share Their Strategies for Strengthening Your Relationship

Why Marriages Succeed or Fail: And How You Can Make Yours Last

A Couple's Guide to Communication

Interpersonal Conflict

What Makes Love Last?: How to Build Trust and Avoid Betrayal

Marriages and Families: Intimacy, Diversity, and Strengths

The 5 Love Languages: The Secret to Love that Lasts

Hold Me Tight: Seven Conversations for a Lifetime of Love