In the search for institutional models that can deliver more and better development outcomes, partnership is arguably among the most popular solutions proposed. But the evidence of partnerships' contributions to actual performance has been for the most part anecdotal. Partnerships for International Development bridges the gap between rhetoric and practice, clarifying what the concept means - and providing a roadmap for how to achieve meaningful partnership results. The discussion is enhanced by case studies of partnerships for public service, corporate social responsibility, and conflict resolution.