When does anger turn into violence? What developments do girls go through who later become violent? How can one deal with the anger and violent behavior of girls? Anja Steingen, in collaboration with Melanie Gehring-Decker and Katharina Knors, has compiled the experiences of the Cologne Anti-Violence Program for Girls (KAPM). The book provides insight into the life worlds of violent girls and describes the phenomenon, the backgrounds, and the connections of girl violence. It conveys and justifies concrete interventions for educational practice and includes numerous case studies and practical examples, as well as exercises for dealing with and working with violent girls.