Diplomacy is Henry Kissinger’s classic and absorbing history of international relations, spanning more than three centuries from Cardinal Richelieu to the uncertainties of the modern world order. Drawing on both scholarship and personal experience as U.S. Secretary of State, Kissinger offers vivid portraits of world leaders and rare insight into how power is exercised behind closed doors. Blending historical sweep, sharp analysis, and compelling storytelling, the book examines how nations pursue stability, interest, and influence. Insightful and authoritative, Diplomacy remains an essential and highly readable work for anyone seeking to understand global politics past and present.