This volume deals with legal issues concerning Russia's annexation of Crimea and intervention in the Donbas, so-called 'frozen conflicts' and 'hybrid warfare,' the use of courts and tribunals to address armed aggression, and the implications of recent events for the security guarantees connected to nuclear non-proliferation. Continuing from the first volume, which contains Parts One and Two on Chechnya and the Baltic States, this book is comprised of Part Three-Ukraine and other successor States: Territorial Integrity and its Challengers in the Post-Soviet Space; Part Four-Intervention and International Law; Part Five-Legal Proceedings and Unlawful Claims; and Part Six-Non-Proliferation after Budapest.

Dr Thomas D. Grant studied history and law at Harvard, Yale, and Cambridge. He has been an academic visitor at Heidelberg and Stanford and was a junior research fellow at Oxford. Since 2002, Grant has been a Fellow of the Lauterpacht Centre for International Law and Wolfson College, University of Cambridge. He is the author of, among other books, Aggression against Ukraine (Palgrave Macmillan 2015). Grant has published in a range of academic journals, including the American Journal of International Law, German Yearbook of International Law, and Polish Yearbook of International Law; is a contributing author of the Max-Planck Encyclopedia of Public International Law, and a founding editor of the Journal of International Dispute Settlement. He is the editor for recognition of states and state succession, among other topics, in the forthcoming 10th edition of Oppenheim's International Law (Oxford University Press). He acts as counsel, expert, and advisor before the International Court of Justice, investment tribunals, and national courts. The author of the foreword: Stephen M. Schwebel was, from 1997 to 2000, the President of the International Court of Justice at The Hague.