This book assembles a series of related studies, articles, and commentaries to demonstrate man's need for continuous learning. Included in the design of the book is a continuous built-in challenge involving the search for optimum conditions of balance between theory and practice which cause adult behavioral change. Part One covers the definition and comprehension of adult education; Part Two analyzes adult learning principles; Part Three deals with adult education research; Part Four concerns administering effective adult education programs; and Part Five covers exploring implications for adult education, with special reference to the urban crisis, the factory system and human maturity, and creativity. (NL)