A Celebration of Sex: A Guide to Enjoying God’s Gift of Sexual Intimacy by Douglas E. Rosenau

A licensed psychologist/Christian sex therapist answers specific questions about sexual topics, techniques, and pleasure.

You Just Don’t Understand: Women and Men in Communication by Deborah Tannen

Another excellent general-market book, this one by a PhD linguist, about differences in communication.

Men are Clams, Women are Crowbars: Understand your differences and make them work by Dr. David Clarke.

Men Are Clams, Women Are Crowbars looks at the widely-divergent ways men and women approach emotional issues, then offers solutions for those couples who want to bridge the gender gap.

Why Men Don’t Listen and Women Can’t Read Maps by Barbara and Allan Pease

This fascinating book, a top seller in the general market, has some extremely well-researched information explaining many of the hard-wire differences between men and women. While the authors occasionally veer into interpreting data with a liberal ideological slant, and their ideology may have led the authors to ignore other explanations for their findings, most of the book is top-notch. Fun reading and highly recommended.

The Five Love Languages by Gary Chapman

This book will help you identify what makes your spouse, specifically, feel loved.

Saving Your Marriage Before It Starts by Drs. Les and Leslie Parrott

This book shows engaged couples and newlyweds how they can identify and overcome stumbling blocks to a healthy marriage.

LoveTalk by Drs. Les and Leslie Parrott

Couples consistently name “improved communication” as the greatest need in their relationships. Love Talk is a deep yet simple plan full of new insights that will revolutionize communication in love relationships. Includes The Love Talk Indicator, a free personalized online assessment.

The Seven Principles for Making Marriage Work by John Gottman and Nan Silver

Relationship experts offer rigorous scientific procedures via a series of in-depth quizzes, checklists, and exercises to analyze the marriage relationship.

Men are from Mars, Women are from Venus by John Gray

The classic, and still highly recommended.

His Needs, Her Needs—Building an Affair-Proof Marriage by Willard F. Harley, Jr.

How can couples experience a lifetime of passion and fulfillment in marriage? By identifying each other’s most important emotional needs and developing habits to meet them.

Love and Respect: The Love She Most Desires, The Respect He Desperately Needs by Emerson Eggerichs

Dr. Emerson Eggerichs leads couples through the intricacies of a marriage built on Love and Respect. He explores the differences in men and women and how a husband’s need for respect can be balanced by a wife’s need for love.

The Love Dare Book

This book is the instrumental tool used to heal the marriage in the movie Fireproof.