Kerry J. Byrnes Collection, Center for Development Information and Evaluation Agency for International Development, Washington, DC, 121 pages., This report reviews Agency for International Development (AID) experience in implementing farming systems research and extension (FSR/E) projects. Drawing on evaluation reports, case studies were prepared on 12 AIS-funded FSR?E projects implemented between 1975 and 1987: 7 in Africa, 2 in Asia, and 3 in Latin America and the Caribbean.