Book excerpt: Introduction : politics, government, management across boundaries -- Federal framing of intergovernmental relations and intergovernmental management -- Integrating the federal system through law and politics -- Legally and politically based intergovernmental relations in practice -- Jurisdictional interdependence -- Managing interdependency -- Intergovernmental management partnerships with nongovernmental organizations -- Managing intergovernmental management partnerships -- The network era -- Organized intergovernmental management networks -- Conclusion : the past and future of intergovernmental management