The Iran-United States Claims Tribunal is the most important source of international arbitral decisions for at least the past half century, and its decisions have contributed significantly to the development of international law and the law of international commercial transactions. Judge Aldrich, who is the only member of the Tribunal to have served since its inception in 1981, has written what will be recognised as the definitive book about the jurisprudence of the Tribunal.The book seeks to preserve and to make accessible the substantial body of Awards and Decisions rendered by the Tribunal during the years since it was established in. Its hundreds of Awards and Decisions may be individually consulted (there are twenty-seven volumes so far) but hitherto there has been no detailed analytical guide through the vast published work of the Tribunal. This important new book provides a two-fold service. First, it quotes from the most significant Awards and Decisions at sufficient length so that both their substance and the reasoning of the Tribunal can be understood from access to the present volume alone. Second, it organizes and summarizes the decisions to facilitate finding complete texts relevant to any particular issue.