The Bush Administration (1989-1993) and the Development of a European Security Identity

The Parliament of Man: The Past, Present and Future of the United Nations

International Handbook on Informal Governance

Witsec: Inside the Federal Witness Protection Program

Brexit and Democracy: The Role of Parliaments in the UK and the European Union

Interventions: A Life in War and Peace

The Maastricht Treaty: Second Thoughts after 20 Years

The Butcher's Trail: How the Search for Balkan War Criminals Became the World's Most Successful Manhunt

Informal Governance in the European Union

An Insider's Guide to the UN: Third Edition

After Lisbon: National Parliaments in the European Union

2016 Building Better Governance: The Korean Case

The Prize: The Epic Quest for Oil, Money & Power

The Diplomatic System of the European Union: Evolution, change and challenges

The Mammoth Book of Conspiracies

The Social Construction of Europe

The Elgar Companion to the Hague Conference on Private International Law

The Routledge Handbook of Parliamentary Administrations

The Age of Unpeace: How Connectivity Causes Conflict

The Politicisation of the European Commission’s Presidency: Spitzenkandidaten and Beyond