Primarily a textbook for graduate and upper-level undergraduate students of law. this book is also written for practicing lawyers and policy-makers looking for an introduction to WTO law. Covering both institutional and substantive law, the textbook's objective is to clarify the basic principles and underlying logic of WTO law and the world trading system. Each section contains questions and assignments allowing students to assess and develop useful practical skills. At the end of each chapter there is a helpful summary, as well as an exercise on specific, true-to-life international trade problems.