Contents: Preface. Part I: Differing Perspectives on Aggression Dynamics: Introduction to Game Theoretical Analyses and Arousal Hypotheses.J. Archer, F. Huntingford, Game Theory Models and Escalation of Animal Fights. L. Berkowitz, On the Escalation of Aggression. Part II: Aggressive State and Trait: Behavioral and Physiological Processes Within Individuals.D. Zillmann, Cognition-Excitation Interdependencies in the Escalation of Anger and Angry Aggression. M. Potegal, Aggressive Arousal: The Amygdala Connection. P.M. Bronstein, Aggression Waxing (Sometimes Waning): Siamese Fighting Fish. G.V. Caprara, M. Perugini, C. Barbaranelli, Studies of Individual Differences in Aggression. Part III: Aggression Dynamics in Development: Interactions Within and Outside the Family.D. Einon, M. Potegal, Temper Tantrums in Young Children. J.F. Knutson, M.E. Bower, Physically Abusive Parenting as an Escalated Aggressive Response. R.B. Cairns, C. Santoyo V., K.A. Holly, Aggressive Escalation: Toward a Developmental Analysis. Part IV: Aggression Dynamics in Larger Social and Political Contexts: Game Theory Revisited.J. Bohstedt, The Dynamics of Riots: Escalation and Diffusion/Contagion. R.J. Leng, Interstate Crisis Escalation and War.