Book excerpt: Organizational behavior is an important and growing field in leadership and management studies, yet it has been largely overlooked by leaders of churches and other Christian ministries. Franklin Markow, who has been teaching leadership and organizational studies for 25 years, believes a comprehensive understanding of organizational behavior is essential for effective leadership. This introduction to the topic accounts for the unique dynamics of Christian organizations, gives theological foundations, and provides key insights and guidance to those studying or practicing leadership in churches and ministries. Markow proposes and explains organizational behavior using a comprehensive "Five-Level Model," which encompasses the 1) individual, 2) interpersonal, 3) group, 4) organizational, and 5) interorganizational perspectives of organizations. Readers will gain a better understanding of their organization and how people relate to it and to one another. The goal is to help people and organizations thrive and fulfill their God-given missions. Besides utilizing seminal and current sources from the field of organizational studies, Markow draws on interviews with senior-level leaders in churches and nonprofits for fresh and ministry-focused insights. Each chapter includes review questions, case studies, further reading suggestions, and current issue sidebars, making it a perfect textbook for college or seminary leadership classes. It is also a helpful resource for those in church administration and for all leaders who want to broaden their perspective and improve their practice.