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 21st 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.