Chapter 1. A Public Administration Perspective on International Organizations; Michael W. Bauer, Steffen Eckhard, Jörn Ege and Christoph Knill.- Chapter 2. A Matter of Will and Action: The Bureaucratic Autonomy of International Public Administrations; Michael W. Bauer and Jörn Ege.- Chapter 3. Administrative styles of international organizations: Can we find them, do they matter?; Christoph Knill, Jan Enkler, Sylvia Schmidt, Steffen Eckhard and Stephan Grohs.- Chapter 4. Orchestrating (Bio-) Diversity: The secretariat of the Convention of Biological Diversity as an attention-seeking bureaucracy; Helge Jörgens, Nina Kolleck, Barbara Saerbeck, and Mareike Well.- Chapter 5. The authority of international public administrations; Per-Olof Busch and Andrea Liese.- Chapter 6. Changing budgeting administration in international organizations: Budgetary pressures, complex principals and administrative leadership; Ronny Patz and Klaus H. Goetz.- Chapter 7. Multilevel Administration in International and National Contexts; Arthur Benz, Andreas Corcaci and Jan Wolfgang Doser.- Chapter 8. International Public Administrations - A New Type of Bureaucracy? Lessons and Challenges for Public Administration Research; Michael W. Bauer, Steffen Eckhard and Christoph Knill.