In order to properly perform forensic assessments, professionals need an authoritative source of advice and guidance on how to administer, score, and interpret these tests. This book provides guidance on custody cases, expert witness assessment, and substance abuse assessment. This fully revised edition reflects the latest developments in research and theory, including the most recent codes and standards published by the American Psychology-Law Society and the Association of Family and Conciliation Courts. It is a quick reference for forensic psychologists and mental health professionals involved in court cases.