An invaluable reference work for practitioners, academics and students of international criminal law, it untangles and demystifies a complex and important legal area. Volume 1 examines the criminal responsibility of individuals for the commission of war crimes, crimes against humanity and genocide; Volume 2 focuses on the core international crimes and their interaction with the forms of responsibility; and Volume 3 provides a critical review of international criminal procedure and the rules and practices designed to ensure effective investigations and fair trials.