INTRODUCTION: THE PRESENT PRACTICE OF COUPLES THERAPY 1. Psychological and Contextual Factors in Couples Relationships SECTION 1: SCIENCE AND COUPLES RELATIONSHIPS 2. Biological and Neurological Factors in Couples Relationships3. Functional and Dysfunctional Couples Relationships SECTION 2: THEORIES OF COUPLES THERAPY 4. Psychoanalytic Approaches to Couples Therapy5. Cognitive Behavioral Approaches to Couples Therapy6. Structural and Strategic Approaches to Couples Therapy7. Adlerian and Constructivist Approaches to Couples Therapy8. Third Wave and Integrative Approaches to Couples Therapy SECTION 3: THE PRACTICE OF COUPLES THERAPY 9. Assessment and Case Conceptualization in Couples Therapy10. Interventions in Couples Therapy11. Professional and Ethical Practice of Couples Therapy 12. Substance Abuse and Intimate Partner Violence13. Sexual Dysfunction and Infidelity14. Aging, Separation, Divorce, and Remarriage CONCLUSION: THE FUTURE PRACTICE OF COUPLES THERAPY 15. Preparing to Practice Couples Therapy in the Near and Distant Future APPENDIX: Codes of Professional Ethics Relevant to the Practice of Couples Therapy