The success stories of many small-scale farmers in both Asian and African countries have brought insights on the effectiveness and self-sustaining mechanism of the farmer-to-farmer approach of aquaculture extension. This document will only serve as a guide on how to implement farmer-to-farmer approaches on small-scale freshwater aquaculture extension. Translations of the guidebook are available in Arabic, Bahasa Indonesia, Burmese, English, French, Khmer, Lao, Malay, Nepali and Thai.