Leadership and management are increasingly considered important drivers of organizational performance. Yet despite the fact that they are viewed as essential components of integrated working, or partnerships, there is relatively little thoughtful work analyzing the relationship between the two sets of ideas. Until now. This updated second edition provides realistic, robust guidance for the leadership and management of interagency collaborative endeavors. It summarizes recent trends in policy, establishes what we can learn from research and practice, and sets out useful frameworks and approaches to address a range of problems that collaborations face.