Lifelong learning assists us in having a successful career, promotes mental health, and helps us to adapt to the constant changes we experience. Rapid changes in our technological and social environment mean that we must learn more and learn faster than ever before. Given the importance of learning, it is essential to understand what we learn and how we learn. These learning elements and the relationships among them can best be understood through a theory of adult learning. The goal of this book is to propose such a theory.In this book, we present what we consider to be a holistic, logical,...