Elgar Advanced Introductions are stimulating and thoughtful introductions to major fields in the social sciences, business and law, expertly written by the world’s leading scholars. Designed to be accessible yet rigorous, they offer concise and lucid surveys of the substantive and policy issues associated with discrete subject areas. The Advanced Introduction to the Law of Treaties discusses the application and interpretation of treaty law, as set out in the 1969 Vienna Convention on the Law of Treaties (VCLT). With a focus on illustrating the living nature of treaty law, Malgosia Fitzmaurice and Agnes Rydberg consider the judicial practice of international courts and tribunals and demonstrate how the law of treaties is an ever-evolving area of public international law. Key Features: Incorporates relevant case law of international courts and tribunals Showcases the VCLT's fundamental importance to states in their daily conduct of international affairs Dissects key aspects of the law of treaties, including consent, reservations and interpretations, as well as amendments and modifications to treaties This book is a vital resource for students and scholars of public international law, as well as practitioners in international law, including practising lawyers, negotiators and legal advisers of foreign offices.