New in softcover. Hardcover was published in 2022. This is the first book to give full agency to East Asians in the emergence of the international system, relying on extensive East Asian language sources. The chapters cover cases from the three East Asian member states, namely China, Japan and Siam (Thailand) to address topics that involve the intersection of disciplinary fields, such as law and warfare, sovereignty and international organization, and public health and international co-operation.