Book excerpt: Ethics is at the heart of leadership. All leaders assume ethical burdens and must make every effort to make informed ethical decisions and foster ethical behavior among followers. The Sixth Edition of Meeting the Ethical Challenges of Leadership: Casting Light or Shadow explores the ethical demands of leadership and the dark side of leadership. Author Craig E. Johnson takes a multidisciplinary approach to leadership ethics, drawing from many fields of research to help readers make moral decisions, lead in a moral manner, and create an ethical culture. Packed with real-world case studies, examples, self-assessments, and applications, this fully-updated new edition is designed to increase students’ ethical competence and leadership abilities.