An extensive and unequalled one-volume guide covering over 1,700 international and regional organizations, this title provides detailed and accurate information on a wide spectrum of international organizations from the UN to the International Council for Science. Features include: * introductory articles: An Introduction to International Organizations and Challenges Facing the International System in the Twenty-First Century * a chronology charting the historical development of international organizations * texts of significant international charters, treaties and documents * lists of key UN Security Council and General Assembly resolutions, plus information about peace-keeping activities * a who's who of leading officials within international organizations * a directory and further information on each organization including contact information, details of membership, leading officials, activities, finance, publications and subsidiary organizations * an extensive, alphabetically-arranged index.