Must read: Handbook on CSDP The Common Security and Defence Policy of the European Union (fourth edition)

We would like to bring to your attention the highly informative Handbook on CSDP The Common Security and Defence Policy of the European Union (fourth edition). 

This work, which was published by the Austrian Bundesheer, includes a multitude of articles on the Common Security and Defence Policy. Astute accounts by a variety of authors offer highly relevant insights into the debate on European security cooperation. The book is publicly available via the following link: Handbook on CSDP