Principles of International Criminal Law is one of the leading textbooks in the field of international criminal justice. This fourth edition retains the detailed and systematic approach of previous editions, whist adding substantial new material on new theories, laws, and prosecutions.

The fourth edition of one of the best-regarded works on international criminal law, by two of the world's experts in the field Provides a comprehensive understanding of the foundations of international criminal law and the core crimes it governs Offers an accessible overview for both students, legal practitioners, and judges working on cases concerning crimes, both at the international and domestic levels Builds on the previous editions' philosophical and normative analysis of international criminal justice, and discusses new developments in the field, including recent case law from the International Criminal Court

Gerhard Werle is Professor Emeritus at Humboldt-Universität zu Berlin where he held the Chair in German and International Criminal Law, Criminal Procedure, and Modern Legal History from 1993 to 2020. He has been a visiting professor at various universities worldwide, including Columbia Law School, New York; Kansai University, Osaka; University of Sydney; University of Technology, Sydney; University of Cape Town; and University of the Western Cape, Cape Town. He serves as the Director of the South African-German Research Network for Transnational Criminal Justice and was a member of the Working Group on the Introduction of a Code of Crimes Against International Law established by the German Federal Ministry of Justice. His works on international criminal law, transitional justice, and modern legal history have been published widely in many languages. Florian Jeßberger is the Director of the Franz von Liszt-Institute for International Criminal Law and holds the Chair in Criminal Law, Criminal Procedure, International Criminal Law, and Modern Legal History at Humboldt-Universität zu Berlin. A co-editor of the Journal of International Criminal Justice, he has published widely on issues of German, international, and comparative criminal law. Before joining Humboldt-Universität, he held the Chair in Criminal Law, International Criminal Law, and Modern Legal History at Universität Hamburg where he also served as a Vice Dean. He was a visiting fellow or professor, inter alia, at the University of Oxford, the University of Ferrara, and the University of Naples Féderico II.

The fourth edition of one of the best-regarded works on international criminal law, by two of the world's experts in the field Provides a comprehensive understanding of the foundations of international criminal law and the core crimes it governs Offers an accessible overview for both students, legal practitioners, and judges working on cases concerning crimes, both at the international and domestic levels Builds on the previous editions' philosophical and normative analysis of international criminal justice, and discusses new developments in the field, including recent case law from the International Criminal Court