'This handbook thoroughly covers all aspects of evaluation, yet isn't too technical to understand. It offers everything an organization needs to know to get the most out of evaluation' - Nonprofit World `The Handbook succeeds in capturing and presenting evaluation's extensive knowledge base within a global context. In so doing it provides a useful, coherent and definitive benchmark on the field's diverse and dynamic purposes, practices, theories, approaches, issues, and challenges for the 21st century. The Handbook is an essential reference and map for any serious evaluation practitioner, scholar and student anywhere in the world' - Michael Quinn Patton, author of Utilization-Focused Evaluation `Readers of this volume will find a set of texts that provide an evocative overview of contemporary thinking in the world of evaluation. This is not a book of simple tips. It does justice to the complex realities of evaluation practice by bringing together some of the best practitioners in the