The book "Spirit of Peace" explores the profound impact of peacekeeping missions through various historical and contemporary contexts. It highlights Pakistan's extensive involvement with the United Nations, showcasing the experiences of former Pakistani Senior Representatives of the Secretary-General (SRSGs), Force Commanders (FCs), and Chief Military Observers (CMOs). The book provides a comprehensive overview of peacekeeping efforts in diverse regions such as the Democratic Republic of Congo, West Irian, Somalia, Cambodia, Kuwait, Bosnia, Eastern Slovenia, Haiti, Liberia, East Timor, Sierra Leone, Côte d'Ivoire, Burundi, and Sudan. Through these case studies, the book emphasizes the sacrifices and the high price of maintaining peace across conflict-ridden areas.