He is the author of Law, War, and Morality in the Contemporary World; The Role of Domestic Courts in the International Legal Order; Legal Order in a Violent World; The Status of Law in International Society; This Endangered Planet; A Study of Future Worlds; Human Rights and State Sovereignty; The End of World Order; Reviving the World Court; The Promise of World Order; Revolutionaries and Functionaries; Revitalizing International Law; Explorations at the Edge of Time; On Humane Governance: Toward a New Global Politics; and Law in an Emerging Global Village: A Post-Westphalian Perspective, and editor or co-editor of more than twenty books. He has been a Fellow at the Center for Advanced Study in the Behavioral Sciences, a Guggenheim Fellow, the Olaf Palme Visiting Professor in Stockholm and Visiting Distinguished Professor at the Mediterranean Academy of Diplomatic Studies, University of Malta. J.S.D. Harvard University