This book has been specially written to serve as a Textbook for Extension Education in agriculture, home science, animal science and related disciplines, in all agricultural colleges and universities in India and other developing countries. It shall also serve as an important role in the extension education programmes of various related Govt. departments, NGOs and all those connected with the technology development and transfer of technology/. There are thirten chapters in this book dealing with all aspects of extension education:- * Extension Education-concepts and Principled * Teaching and Learning-concepts and Principles. * Psychology in Extension Education * Extension Teaching Methods and Audio-Visual Aids * Communication and Adoption of Innovations * Programme Planning in Extension Education * Administration and Supervision in Extension Education * Youth Work in Extension Education * Rural Sociology in Extension Education * Journalism and Public Speaking in Extension Education * Approaches, Programmes and Systems of Extension Education in India. * Research and Evaluation in Extension Education. Many innovative concepts in extension education ahve also been incorporated in the book.