This book provides a concise introduction to the increasingly important field of forensic mental health. It aims to set out both the key concepts in forensic mental health as well as the way the discipline operates in the broader context of criminal justice and mental health care systems. It will provide an ideal introduction to the subject for students taking courses in universities and elsewhere, for mental health practitioners in the early stages of their careers, and for professionals from other agencies needing an informed and up-to-date account of forensic mental health.