About the first edition: 'Thankfully, faith in method is restored through a task successfully undertaken and completed by the authors of this work. [...] This work is intended to serve as a compass to anyone who needs to safely navigate the waters of European regional organisation research, and it serves its purpose well. The authors make their presentation and analysis in a consise, informative and direct way that is comfortable even with those who are unfamiliar with the subject. Overall, this book is recommended both as a starting point and as reference material' A.G. Fessas in in 2010 Revue Hellenique de droit international 1021