Introduction: Aggression and its targets (R. Baenninger). Aggression Toward Defenseless Targets. Violence toward other species (R. Baenninger). Victimization among school children (D. Olweus). Victim risk factors in the physical abuse of children (J.F. Knutson, H.A. Schartz, L.Y. Zaidi). Violence and Social Institutions. Institutional violence directed toward children: The case of corporal punishment in schools (I.A. Hyman, J. Clarke). Athletes as targets of aggression (G. Russell). Aggression on roadways (R.W. Novaco). Violence toward clinicians (B. Eichelman). Gender-related violence. Gay-Bashing: Violence and aggression against gay men and lesbians (P.M. Nardi, R. Bolton). Aggression by women: Mores, myths, and methods (L. Paul, M.-A. Baenninger). Violence, aggression, and targets: An overview (R. Baenninger). Author Index. Subject Index.