The Surprising Secrets of Highly Happy Marriages: The Little Things That Make a Big Difference

The 5 Love Languages: The Secret to Love that Lasts

For Women Only, Revised and Updated Edition: What You Need to Know about the Inner Lives of Men

Love and Respect: The Love She Most Desires; The Respect He Desperately Needs

The Kindness Challenge: Thirty Days to Improve Any Relationship

The 5 Love Languages for Men: Tools for Making a Good Relationship Great

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

For Women Only, For Men Only, and For Couples Only Participant's Guide: Three-in-One Relationship Study Resource

Boundaries in Dating: How Healthy Choices Grow Healthy Relationships

Thriving in Love and Money: 5 Game-Changing Insights about Your Relationship, Your Money, and Yourself

Single, Dating, Engaged, Married: Navigating Life and Love in the Modern Age

For Parents Only: Getting Inside the Head of Your Kid

The 4 Seasons of Marriage: Secrets to a Lasting Marriage

For Men Only Discussion Guide: A Companion to the Bestseller About the Inner Lives of Women

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

The Love Dare

Saving Your Marriage Before It Starts: Seven Questions to Ask Before -- and After -- You Marry

How We Love, Expanded Edition: Discover Your Love Style, Enhance Your Marriage

Love and Respect for a Lifetime: Gift Book: Women Absolutely Need Love. Men Absolutely Need Respect. Its as Simple and as Complicated as That...

Cole & Sav: Our Surprising Love Story