This book maps out the relationship between the discovery of heartfulness and the psychology of inner peace. It presents a rigorous psychological analysis of the underlying components of the psychology of inner peace and the role of innerness in addressing the nature of peace. Alternative theories are introduced that discuss the conceptualization of peace, and their merits are outlined in comparison to more mainstream psychological theories. The author highlights the inadequacies of mind-oriented theories on peace and demonstrates the concept of heartfulness to show how genuine peace can be achieved.