An affair: It can rob a couple of their relationship, their happiness, their very identity. And yet this extremely common human experience is so poorly understood. Adultery has existed since marriage was invented, and so, too, the prohibition against it - in fact it has a tenacity that marriage can only envy. Iconic couples' therapist and best-selling author of Mating in Captivity Esther Perel returns with a groundbreaking and provocative look at infidelity, arguing for a more nuanced and less judgmental conversation about our transgressions.

For much of the 20th and 21st centuries, women’s sexuality was an uncharted territory in science, studied far less frequently - and far less seriously - than its male counterpart. That is, until Emily Nagoski’s Come As You Are, which used groundbreaking science and research to prove that the most important factor in creating and sustaining a sex life filled with confidence and joy is not what the parts are or how they’re organized but how you feel about them.

Since Darwin's day, we've been told that sexual monogamy comes naturally to our species. Mainstream science - as well as religious and cultural institutions - has maintained that men and women evolved in families in which a man's possessions and protection were exchanged for a woman's fertility and fidelity. But this narrative is collapsing....

Polyamorous psychotherapist Jessica Fern breaks new ground by extending attachment theory into the realm of consensual nonmonogamy. Using her nested model of attachment and trauma, she expands our understanding of how emotional experiences can influence our relationships. Then, she sets out six specific strategies to help you move toward secure attachments in your multiple relationships.

For anyone who has ever dreamed of love, sex, and companionship beyond the limits of traditional monogamy, this groundbreaking guide navigates the infinite possibilities that open relationships can offer. Experienced ethical sluts Dossie Easton and Janet W. Hardy dispel myths and cover all the skills necessary to maintain a successful and responsible polyamorous lifestyle.

Challenging accepted theories about what makes for terrific sex, The Erotic Mind is a breakthrough exploration of the least understood dimensions of human sexuality - the psychology of desire, arousal, and fulfillment. Sex therapist Dr. Jack Morin offers a new perspective that celebrates the joys of Eros without denying its risks. Based on an in-depth analysis of over 1,000 provocative stories of peak sexual experiences, The Erotic Mind offers clear, accessible guidance on how anyone can utilize their own peak encounters and fantasies as powerful tools of self-discovery.

We already rely on science to tell us what to eat, when to exercise, and how long to sleep. Why not use science to help us improve our relationships? In this revolutionary book, psychiatrist and neuroscientist Dr. Amir Levine and Rachel Heller scientifically explain why some people seem to navigate relationships effortlessly, while others struggle.

In Atlas of the Heart, Brown takes us on a journey through 87 of the emotions and experiences that define what it means to be human. As she maps the necessary skills and an actionable framework for meaningful connection, she gives us the language and tools to access a universe of new choices and second chances - a universe where we can share and steward the stories of our bravest and most heartbreaking moments with one another in a way that builds connection.

Just as Masters and Johnson were pioneers in the study of human sexuality, so Dr. John Gottman has revolutionized the study of marriage. As a professor of psychology at the University of Washington and the founder and director of the Seattle Marital and Family Institute, he has studied the habits of married couples in unprecedented detail over the course of many years. His findings, and his heavily attended workshops, have already turned around thousands of faltering marriages.

For the past 35 years, John Gottman’s research has been internationally recognized for its unprecedented ability to precisely measure interactive processes in couples and to predict the long-term success or failure of relationships. In this groundbreaking book, he presents a new approach to understanding and changing couples: a fundamental social skill called “emotional attunement,” which describes a couple’s ability to fully process and move on from negative emotional events, ultimately creating a stronger relationship.

At a time when toxic individualism is rending our society at every level, bestselling author and renowned marriage counselor Terrence Real sees how it poisons intimate relationships in his therapy practice, where he works with couples on the brink of disaster. The good news: Warmer, closer, more passionate relationships are possible if you have the right tools. In his transformative new book Us, Real brilliantly observes how our winner-takes-all culture infiltrates families with devastating results.

Open Monogamy is Dr. Nelson's guidebook for couples who wish to explore new directions in their relationships - to bring in excitement, variety, and fresh experiences without sacrificing trust, security, and respect. In this practical, skill-based book, she helps you find your place on the "monogamy continuum"; have honest conversations about attraction and desire; remove shame and suspicion from an open relationship; and create agreements - traditional or otherwise - that are fulfilling, exhilarating, and built for enduring love.

If you think you need to change your marriage, think again. It may well be that your marriage is trying to change you. In Secrets of a Passionate Marriage, Dr. David Schnarch shares a revolutionary approach thousands have used to take their relationships to new and lasting heights of sexual ecstasy and intimacy. Emotionally committed relationships, he teaches, are people-growing machines, and sexual difficulty and other challenges are actually signs of a healthy, maturing relationship.

From the number-one New York Times best-selling author of Primates of Park Avenue, a bold, timely reconsideration of female infidelity that will upend everything you thought you knew about women and sex. In Untrue, feminist author and cultural critic Wednesday Martin takes us on a bold, fascinating journey to reveal the unexpected evolutionary legacy and social realities that drive female faithlessness, while laying bare our motivations to contain women who step out.

Eli J. Finkel's insightful and ground-breaking investigation of marriage clearly shows that the best marriages today are better than the best marriages of earlier eras. Indeed, they are the best marriages the world has ever known. He presents his findings here for the first time in this lucid, inspiring guide to modern marital bliss.