The Anarchical Society, authored by Hedley Bull, is a classic work in the field of international relations. The book examines the concept of international order and the challenges of maintaining stability in a world characterized by anarchy. Bull argues that despite the absence of a global government, states can establish and maintain order through various mechanisms, such as international law, diplomacy, and balance of power. This influential book offers a nuanced understanding of the complexities of international relations and the possibilities for cooperation and conflict in a world without a central authority.