Book excerpt: The perspective that informs this important book is that every evaluation of a capacity development effort should itself contribute to the capacity development effort and ultimately to the organization’s performance. This is a revolutionary idea in evaluation. With the idea have come the questions: Can it be done? And, if it is done, what will be the consequences? This book elucidates and deepens the idea, shows it can be done, and examines the consequences, both intended and unintended, of engaging in capacity development evaluation