Introduction. Why natural conflict resolution? / Filippo Aureli, Frans B.M. de Waal -- The first kiss : foundations of conflict resolution research in animals / Frans B.M. de Waal -- Conflict management in children and adolescents / Peter Verbeek, Willard W. Hartup, W. Andrew Collins -- Law, love, and reconciliation : searching for natural conflict resolution in Homo sapiens / Douglas H. Yarn -- Dominance and communication : conflict management in various social settings / Signe Preuschoft, Carel P. van Schaik -- Covariation of conflict management patterns across macaque species / Bernard Thierry -- Coping with crowded conditions / Peter G. Judge -- The peacefulness of cooperatively breeding primates / Colleen M. Schaffner, Nancy G. Caine -- Reconciliation and relationship qualities / Marina Cords, Filippo Aureli -- The role of emotion in conflict and conflict resolution / Filippo Aureli, Darlene Smucny -- Beyond the primates : expanding the reconciliation horizon / Gabriele Schino -- A multicultural view of peacemaking among young children / Marina Butovskaya [and others] -- Conflict management via third parties : post-conflict affiliation of the aggressor / Marjolijn Das -- Redirection, consolation, and male policing : how targets of aggression interact with bystanders / David P. Watts, Fernando Colmenares, Kate Arnold -- The natural history of valuable relationships in primates / Carel P. van Schaik, Filippo Aureli -- Conflict management in cross-cultural perspective / Douglas P. Fry -- The evolution and development of morality / Melanie Killen, Frans B.M. de Waal -- Shared principles and unanswered questions / Frans B.M. de Waal, Filippo Aureli.