Handbook of International Relations and Nepal’s Foreign Affairs is a reference book that explains key concepts, theories, events, institutions, and debates in international relations and foreign policy, with special attention to Nepal’s foreign affairs. Published by the Institute of Foreign Affairs (IFA), the handbook presents topics in an accessible format, covering areas such as diplomacy, national interest, multilateralism, regionalism, security, globalization, international law, development, and Nepal’s foreign policy history. It serves as a useful resource for diplomats, researchers, students, policy practitioners, and readers interested in international relations and Nepal’s role in world affairs.