Cummings and Worley’s “Organization Development and Change” is a comprehensive textbook that provides a thorough introduction to the field of organization development (OD) and change management. The book is designed to be used by students, scholars, and practitioners who are interested in understanding the theory and practice of OD.

The book is organized into four main parts. Part one provides an overview of the field of OD and the various approaches that have been developed over time. The authors emphasize the importance of understanding the different levels of analysis in OD, including individual, group, and organizational levels. They also discuss the role of the OD practitioner and the various skills and competencies that are required to be successful in this field.

Part two of the book focuses on the OD process. The authors provide a detailed description of the various stages of the OD process, including diagnosis, intervention, and evaluation. They also discuss the importance of involving stakeholders in the OD process and the challenges that can arise when implementing change in organizations.

Part three of the book explores various OD interventions and techniques that can be used to facilitate change in organizations. The authors provide an overview of the different types of interventions, including structural, cultural, and behavioral interventions. They also discuss the importance of using multiple interventions in order to create sustainable change in organizations.

Finally, part four of the book focuses on the challenges and opportunities facing OD practitioners in the 21st century. The authors discuss the impact of globalization, technology, and other environmental factors on organizations and the implications for OD practice. They also explore the emerging trends in OD, including the increasing use of data and analytics in organizational decision-making.

Throughout the book, Cummings and Worley provide numerous examples and case studies to illustrate the concepts and techniques discussed. They also provide practical advice for practitioners, including tips on how to manage resistance to change, build effective teams, and create a culture of continuous improvement.

Overall, “Organization Development and Change” is a valuable resource for anyone interested in understanding the theory and practice of OD. The book provides a comprehensive overview of the field and offers practical guidance for practitioners. It is also written in a clear and accessible style, making it a useful textbook for students in OD and related fields.