An evaluation of the importance of reciprocity in considering states' legal obligations in armed conflicts.

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.

In international relations, reciprocity describes an environment in which States support one another for short- or long-term advantage through the balancing of rights, duties and interests. This book examines reciprocity in the context of international law. It considers the role reciprocity plays in the creation and development of international law as well as in the interpretation and application of international law. The book illuminates the reciprocal framework of international law and international relations by examining the role reciprocity plays in different types of States’ obligations, including bilateral, bilateralisable multilateral, non-bilateralisable multilateral and obligations erga omnes. The book examines how reciprocity is intertwined with the principle of equality, as the rights and obligations of States are equal irrespective of size and economic or military strength, and the beneficial effects of reciprocity in creating stability and cooperation amongst States.

International Humanitarian Law (IHL) is in a state of some turbulence, as a result of, among other things, non-international armed conflicts, terrorist threats and the rise of new technologies. This incisive book observes that while states appear to be reluctant to act as agents of change, informal methods of law-making are flourishing. Illustrating that not only courts, but various non-state actors, push for legal developments, this timely work offers an insight into the causes of this somewhat ambivalent state of IHL by focusing attention on both the legitimacy of law-making processes and the actors involved.

ÔThis is a concise and nuanced overview of International Humanitarian Law (IHL). The structure is unusual. While the book reflects the state of the law with accuracy and sobriety, it nevertheless shows the idealist and philosophical ambitions of the authors. Legal issues are often discussed within a wider moral and ethical context. The authors add many basics on human rights and the enforcement of international law, which are not directly relevant for IHL, but ensure the reader understands the wider picture.Õ Ð Marco Sass~li, University of Geneva, Switzerland This book provides a clear and concise explanation of the central principles of international humanitarian law (or the law of armed conflict) while situating them in a broader philosophical, ethical and legal context. The authors consider a range of wider issues relevant to international humanitarian law, including its ethical foundations, relationship to other bodies of international law and contemporary modes of enforcement. This helps to develop a richer context for understanding the law of war and a sound basis for examining the changing nature of contemporary armed conflict. The book also discusses important recent decisions by international courts and tribunals, tracks the historical development of humanitarian principles in warfare and considers the legal position of states, individuals and non-state groups. Principles of International Humanitarian Law is an important resource for students of international humanitarian law and International law academics, as well as international humanitarian law practitioners.