The purpose of this book is to set the transformation of European secuirty into a broad structural and historical context. Doing so offers two benefits. Firstly, it sets the present events into an overall framework, thus clarifying both their direction and their prospects. Secondly, it emphasises the non-military dimensions of European security. The previous rigidities put military issues at the forefront of the security agenda, but the changes now underway require a much closer look at the whole range of political, economic, societal and environmental issues that define, and redefine, secuirty in Europe.