Provides an in-depth study of the theory, history, practice, and interpretation of customary international law.

This book sets out to articulate a comprehensive theory of customary international law that can effectively resolve the conceptual and practical enigmas surrounding it. It takes a multidisciplinary approach and draws insights from international law, legal theory, political science, and game theory. It is anchored in a sophisticated ethical framework and explores the interrelationships between customary international law and ethics.

Customary international law is the most important source of international criminal law. Fifty years after the Nuremberg trials, many convictions imposed by the tribunals for the former Yugoslavia and Rwanda are still based on customary international law alone. The International Criminal Court, by contrast, has not yet had much opportunity to give more guidance on this matter. Hence, it is worthwhile to provide an overview of the current status of custom by analysing the ad hoc tribunal’s case law on this point. Including a comprehensive synopsis of current literature and a contrast of the ad hoc tribunal’s case law with the jurisprudence of the International Court of Justice, this book offers an inclusive insight into the source’s past and future.

An easily accessible and comprehensive study of the International Court of Justice, this book succinctly explains all aspects of the world's most important court, including an overview of its composition and operation, jurisdiction, procedure, and the nature and impact of its judgments.

The book offers a systematic discussion of the facets of the relationship between the European Union and customary international law.

Customary International Humanitarian Law, Volume I: Rules is a comprehensive analysis of the customary rules of international humanitarian law applicable in international and non-international armed conflicts. In the absence of ratifications of important treaties in this area, this is clearly a publication of major importance, carried out at the express request of the international community. In so doing, this study identifies the common core of international humanitarian law binding on all parties to all armed conflicts. Comment Don:RWI.