World History by The Study IAS is a comprehensive resource designed for UPSC aspirants and students of History Optional to develop an in-depth understanding of modern world developments. Covering themes from the Renaissance and Enlightenment to the French and American Revolutions, Industrialization, Imperialism, and both World Wars, the book further explores the Cold War, the rise of the United Nations, Non-Aligned Movement, decolonization, globalization, and the challenges of development in Africa, Latin America, and the contemporary world. With its structured chapter-wise coverage, it explains complex global events such as fascism, communism, Arab nationalism, European integration, and the disintegration of the Soviet Union in a clear and analytical manner. Written in a student-friendly style with exam-oriented insights, this book ensures conceptual clarity, strengthens analytical skills, and enhances answer-writing practice. An indispensable guide for UPSC (Prelims & Mains), State PCS, UGC-NET, and especially History Optional aspirants, it also serves as a valuable reference for anyone interested in understanding the trajectory of modern world history.