Book excerpt: This unique book provides readers with a comprehensive and contemporary perspective on gangs in America. Its current articles, written by national experts in the field, contain a variety of diverse viewpoints and contribute to a well-rounded understanding of gangs and their broad societal implications. KEY TOPICS A seven-part organization covers 1) understanding and defining gangs; 2) gender issues; 3) race and ethnicity; 4) gangs in prisons and schools; 5) violence and drugs; 6) gang victimization; and 7) gang prevention and intervention. For law enforcement, police, court personnel, prosecutors, public defenders, attorneys, lawyers, judges, prison/correction staff, social workers, educators, and government workers.