The branch of science which deals with the study of mind and behavior is termed as psychology. It focuses on the various aspects of conscious and unconscious phenomena, feelings, and thoughts. The discipline of psychology attempts to develop an understanding about different mental processes such as attention, cognition, perception, intelligence, motivation and personality. It can be classified into various sub-disciplines including biological psychology, cognitive psychology, behavioral psychology, psychodynamics, social psychology, and humanistic psychology. This field finds extensive application across various fields like education, mental health care, military and intelligence. This book is a valuable compilation of topics, ranging from the basic to the most complex advancements in the field of psychology. There has been rapid progress in this field and its applications are finding their way across multiple industries. For all readers who are interested in psychology, the case studies included in this book will serve as an excellent guide to develop a comprehensive understanding.