After the Honeymoon: How Conflict Can Improve Your Relationship by Daniel B. Wile

Passionate Marriage: Keeping Love and Intimacy Alive in Committed Relationships by David Schnarch, PhD

Hold Me Tight by Dr. Sue Johnson

The Seven Principles for Making Marriage Work: A Practical Guide from the Country's Foremost Relationship Expert by John M. Gottman, PhD & Nan Silver

Breaking Through the Relationship Game

Sexual Intelligence: What We Really Want from Sex--and How to Get It by Marty Klein

Sex, Love, and Mental Illness: A Couple's Guide to Staying Connected (Sex, Love, and Psychology) by Stephanie Buehler

Discovering Your Couple Sexual Style: Sharing Desire, Pleasure, and Satisfaction by Barry W. McCarthy & Emily McCarthy

Passionate Marriage: Keeping Love and Intimacy Alive in Committed Relationships by David Schnarch, PhD

22 Things a Woman Must Know: If She Loves a Man With Asperger's Syndrome by Rudy Simone

Nonviolent Communication: A Language of Life: Life-Changing Tools for Healthy Relationships by Marshall B. Rosenberg PhD

Attached: The New Science of Adult Attachment and How It Can Help YouFind - and Keep - Love by Amir Levine and Rachel Heller

Rebuilding Trust: Guided Therapy Techniques and Activities to Restore Love, Trust and Intimacy in Your relationship by Morgan Johnson

Not Nice: Stop People Pleasing, Staying Silent, and Feeling Guilty and Start Speaking Up, Saying No, Acting Boldly, and Unapologetically Being Yourself by Dr. Aziz Gazipura

Stop Overthinking Your Relationship: Break the Cycle of Anxious Rumination to Nurture, Love, Trust, and Connection with your Partner by Alicia Munoz