Book excerpt: This book provides a reappraisal of the role of nationality in international law, taking into account recent trends and developments. The book features contributions from a range of experts offering a variety of approaches to the topic. Within public international law the book explores nationality in relation to a number of key topics including: nationality as a human right; statelessness in the context of state succession; diplomatic protection and trade in services. While most of the contributions address public international law the book also considers the evolving role of nationality in private international law as well as issues surrounding nationality and regional integration.