The definition and extent of delinquency -- The history of juvenile justice -- Explaining delinquency: biological and psychological -- Approaches -- Sociological explanations for delinquency -- Gang delinquency -- Drugs and delinquency -- Policing and juveniles -- The juvenile court process -- Due process and juveniles -- Institutional/residential interventions -- Juvenile probation/community intervention -- The victimization of juveniles -- Future directions on the juvenile justice system.