In A World without War, like other bestselling narratives in the past, Waslekar studies the history and politics of war, but goes one step further in offering a global social contract that can help achieve peace. Drawing from comprehensive research in politics, technology, philosophy and history, and writing in a convincing, non-academic narrative voice, Waslekar studies the origins of war and weaponry, the ever-present danger of nuclear weapons and the link between nationalism and war, ultimately arguing that war is a choice and that world peace is essential for human beings to recognize their true potential.