By offering both a comprehensive update and new material reflecting the continuing development of the subject, this continues to be the leading textbook on international criminal law. Its experienced author team draws on its combined expertise as teachers, scholars and practitioners to offer an authoritative survey of the field. The third edition contains new material on the theory of international criminal law, the practice of international criminal tribunals, the developing case law on principles of liability and procedures and new practice on immunities. It offers valuable supporting online materials such as case studies, worked examples and study guides. Retaining its comprehensive coverage, clarity and critical analysis, it remains essential reading for all in the field.