Book excerpt: Change is a constant in today's organizations. Leaders, managers, and employees at all levels must understand both how to implement planned changed and effectively handle unexpected change. The Fifth Edition of the Organization Change: Theory and Practice provides an eye-opening exploration into the nature of change by presenting the latest evidence-based research to discuss a range of theories, models, and perspectives on organization change. Bestselling author, W. Warner Burke, skillfully connects theory to practice with modern cases of effective and ineffective organization change, recent examples of transformational leadership and planned and revolutionary change, and best practices to successfully influence change. This fully-updated new edition also includes a new chapter on healthcare and government organizations, offering practical applications for non-profit organizations.