The Age of Extremes by Eric Hobsbawm is a comprehensive history of the world from 1914 to 1991. Hobsbawm examines the major political, economic, and social developments of the 20th century, including the two World Wars, the Cold War, and the rise of globalization. He analyzes the ideologies and movements that shaped this turbulent period, such as communism, fascism, and nationalism. Hobsbawm's book offers a compelling narrative of the key events and trends that have shaped the modern world and provides valuable insights into the challenges and complexities of international relations.