The purpose of this book is to fill a great public need regarding the subject of Therapeutic Psychology, the many schools of ideas of the subject of Psychology, and the terminology used in comprehending the study of Human Behaviour. The contents of this book bring the authority and clarity of science and the light of reason to a field that has remained too long in the darkness of confusion, misunderstanding and false belief. In place of guesswork and legend that so often pass for 'psychology' this book makes available to the reader, the verified findings and most challenging theories of the world's great psychologists, philosophers and researchers. The author hopes that the depths of therapeutic psychology and human behaviour need not remain perplexing and mysterious.