Book excerpt: The Handbook of Forgiveness, Second Edition consolidates research from a wide range of disciplines and offers an in-depth review of the science of forgiveness. This new edition considers forgiveness in a diverse range of contexts and presents a research agenda for future directions in the field. Chapters approach forgiveness from a variety of perspectives, drawing on related work in areas including biology, personality, social psychology, clinical/counseling psychology, developmental psychology, philosophy, and neuroscience, as well as considering international and political implications. The Handbook provides comprehensive treatment of the topic, integrating theoretical considerations, methodological discussions, and practical intervention strategies that will appeal to researchers, clinicians, and practitioners. Reflecting the increased precision with which forgiveness has been understood, theorized, and assessed during the last 14 years of research, this updated edition of the Handbook of Forgiveness remains the authoritative resource on the field of forgiveness.