This book is an accessible and jargon-free guide to the key concepts used in adult education and training. The author examines in detail forty-five of these concepts, ranging from core concepts such as education and development, to more specialist concepts like social capital and social inclusion. This new edition has been fully revised and updated in view of the recent surge of interest in concepts such as lifelong education and the learning society. All those involved in the field of adult education and training come into contact with specialist ideas or concepts on a daily basis. This book is designed for students and practitioners of adult education and training who wish to develop their understanding of these many associated concepts. At the end of each chapter there is also an annotated list of useful books or articles for those who would like to investigate particular concepts in more detail.