The 5 Love Languages: The Secret to Love that Lasts

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

The 5 Love Languages of Children: The Secret to Loving Children Effectively

The 5 Love Languages of Teenagers: The Secret to Loving Teens Effectively

The 5 Love Languages Singles Edition: The Secret That Will Revolutionize Your Relationships

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

When Sorry Isn't Enough: Making Things Right with Those You Love

Things I Wish I'd Known Before We Got Married

Building Love Together in Blended Families: The 5 Love Languages and Becoming Stepfamily Smart

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