The book "Interesting Psychology" offers a comprehensive perspective on the study of interest across the diverse areas of psychology. By employing modern theories of cognition and emotion as an integrative framework, it explores the essence of interest, what makes things interesting, the role of interest in shaping personality, and the development of unique individual interests, hobbies, and passions. This exploration uncovers deep similarities between seemingly disparate branches of psychology and underscores the profound significance of interest, curiosity, and intrinsic motivation in comprehending human behavior. As a comprehensive work dedicated to the exploration of interest, the book delves into the history of psychological thinking on this subject, presents both classic and contemporary research, and suggests promising directions for future investigations. It strives to provide a holistic understanding of interest, shedding light on its multifaceted nature and its profound influence on human actions and choices.