This text provides a pioneering and comprehensive analysis of over one hundred international organizations. After introducing the broad historical and contextual settings, the book covers the full range of international organizations including those that are often overlooked or get minimal inclusion elsewhere. Each organization is analyzed in a stand-alone section that considers its origins, basic mandates and evolution, the governance structure and the associated key players, current activities and future challenges. The descriptions also reflect each organization s broader relationships with other international bodies.Some of the organizations covered include:The United Nations plus its system of semi-autonomous and Specialized AgenciesThe European Union and other regional organizationsThe development banks, international financial institutions and other international economic organizationsThe international scientific, transport, communications and agricultural organizations.This detailed textbook will serve as an essential companion volume supplementing core texts on undergraduate modules where international organizations have a prominent role.