The book “Case Conceptualization: Mastering This Competency with Ease and Confidence” by Jon Sperry and Len Sperry is a 235-page textbook published by Routledge in 2020. It is a valuable resource for psychology students and professionals interested in psychotherapy and mental health. The book focuses on developing the skills needed to effectively conceptualize cases and clients, providing a comprehensive approach to understanding and working with individuals in need of psychological support. With its practical insights and clear instructions, this textbook is a must-have for anyone looking to enhance their knowledge and confidence in the field of psychology.