The Brevity Book On Psychology is a book written by Christian Alban Ruckmick and published in 1920. The book is a concise and straightforward guide to the study of psychology, covering a wide range of topics in a clear and accessible manner. Ruckmick's aim in writing the book was to provide a brief introduction to psychology that would be useful for students, teachers, and anyone interested in the subject.The book is divided into several chapters,...