This book presents work developed by the Agricultural Knowledge and Information Systems Thematic Group of the World Bank, in collaboration with the University of Maryland, to examine contracting for extension services. 18 case studies from countries as diverse as Australia, Bangladesh, Chile, China, Germany, Mozambique and the USA are presented to demonstrate the range of approaches. Topics covered include: off-loading public sector extension delivery services; contracting to improve environmental services; contracting for input services; contracting for specialized services; and farmers contracting for commercial advisory services. The book has 20 chapters and a subject index.