The definitive manual for Dyadic Developmental Psychotherapy. This comprehensive text includes detailed instructions for completing a thorough evaluation, which is necessary for treatment planning. Other chapters describe the components of Dyadic Developmental Psychotherapy and their application in different phases of treatment. Three full transcripts of treatment sessions with analysis and discussion are also included. Finally, the book ends with a brief description of how to become a Certified Dyadic Developmental Psychotherapy therapist, consultant, or trainer. Certification is through the Attachment-Focused Treatment Institute and the Institute endorses this book as the definitive text for those wishing to practice Dyadic Developmental Psychotherapy