This volume presents a brief introduction to juvenile delinquency and juvenile delinquents. Juvenile delinquency refers to children who act against the law. The authors present information on the historical contexts of juvenile delinquency, the evolution of the juvenile court system, using data to measure different aspects of juvenile delinquency, how wide spread juvenile delinquency is in our communities, various theories and explanations of juvenile delinquency, ways that society tries to control juvenile delinquency, and the prognosis of controlling juvenile delinquency in the future.