- The Foreign and Security Policy of the European Union: A Critical Approach (2nd Fully Revised Edition)
- Taxation and Fraud Prevention in the European Union: Lessons Learned and Future Prospects
- Mercosur: Past, Present and Future of Integration in South America-Trade and Economic Relations with the European Union
- Health in the European Union: Member States-Agencies-Policies: Thoughts and Suggestions for the Present and the Future
- European Union Trade: Trade Relations with Central Africa, the Southern African Development Community, Central America, the Andean Community and South Korea












