The past three decades has seen dramatic changes in the way in which the criminal justice system responds to those who break the law. The old claim in the field of correctional psychology that nothing works has strongly been refuted in the face of evidence from rehabilitation programmes that do make a difference. The graduate student in forensic psychology could easily be overwhelmed by the plethora of information now available. This new textbook offers a comprehensive approach to forensic and correctional psychology, demonstrating how theory and practise can be applied and integrated.