This book is designed for both experienced and new trainers who have an interest in training others in the use of participatory methods, whether they are researchers, practitioners, policy-makers, villagers or trainers. The guide provides a comprehensive background to the principles of adult learning, focuses on the facilitation skills necessary for effective training, describes group dynamics and how to build interdisciplinary teams, summarizes the principles of participatory learning and action, describes in detail the process of training, both in the workshop and in the field, suggests how to organize workshops, from laying the groundwork to post-training evaluation, and details 101 interactive training games and exercises. The book includes information on how to train and facilitate along with a varied repertoire of exercises.