A genuinely insightful and compelling study of the idea and practice of global citizenship. It should be required reading for skeptics and advocates alike. Through its rich and powerful analysis it has much to say about the significance of and limits to 'really existing' global citizenship. -- Anthony McGrew, Southampton University [A] pathbreaking, challenging, and exciting study. [Schattle's] book is a must, not only for academic political theorists and social scientists, but for the wider policy community. -- David Marquand, Oxford University This book offers an insightful look at a broad spectrum of today's global citizens who explain in their own terms what compels them to push their identities and actions beyond national boundaries. -- Lance Bennett, University of Washington, Seattle