Book excerpt: This handbook has been prepared as a training and field guide for designing, implementing and managing effective communication strategies for field projects in a participatory manner, building on the results of the Participatory Rural Communication Appraisal (ISBN 9251052514). Issues dealt with include the principles and processes of communication planning, message development, multimedia material production and the implementation of communication activities in the field. This strategy design process has been tested in training workshops and applied to various development projects including those dealing with agriculture, health and education, water and sanitation.