Book excerpt: Global Think Tanks provides a clear description of and context for the global proliferation of think tanks. Whilst these institutions are still relatively new players in global and national politics, they are becoming a significant source of strength in an increasingly transnational and less Western-led world. This work presents an important guide to the factors contributing to the proliferation of think tanks, the present nature of this proliferation, and the future of think tanks at the global, regional, and national level. The book: identifies the forces driving these phenomena by addressing some of the historical and current factors that have dominate policy debates around the world attempts to identify the range of existing global think tanks and a representative group of global public policy networks and conduct detailed profiling of these organizations. extrapolate trends in current think tank research that provide a basis for understanding the impact that think tanks have on policy makers identifies and critique the role of global think tanks and global public policy networks in civil society and analyze the challenges and opportunities facing global think tanks and policy networks. seeks to recommend improvements to think tanks and global public policy networks so that they can continue to contribute to global public policy and serve as a catalyst for civic engagement around the world. Examining the issues that face think tanks on a global scale, this book will be of great interest to all students of international relations and international organizations.