The book "Constitutional League of Peace in Stone Age America: The Iroquois League and Its Constitution" examines important aspects of the history and political organization of the Iroquois Indians. The author, John Napoleon Brinton Hewitt, explores the unique constitution of the Iroquois League, which played a key role in the political and social life of the tribes during the American Stone Age. The book is a valuable resource for understanding ancient forms of government, democratic principles, and intertribal relations in the American East. Carefully researching the history and structure of the Iroquois League, the author provides new traffic lights on the development of political and legal systems on the continent before the arrival of European settlers.