Transforming NATO: New Allies, Missions, and Capabilities, by Ivan Dinev Ivanov, examines the three dimensions of NATO’s transformation since the end of the Cold War: the addition of a dozen new allies; the undertaking of new missions such as peacekeeping, crisis response, and stabilization; and the development of new capabilities to implement these missions. The book explains these processes through two mutually reinforcing frameworks: club goods theory and the concept of complementaritie...