Book excerpt: This impressive collection features the best works by John P. Kotter, known worldwide as the authority on leadership and change. Curated by Harvard Business Review, the longtime publisher of some of Kotter’s most important ideas, the Change Leadership set features full digital editions of the author’s classic books, including bestsellers Leading Change, The Heart of Change, and A Sense of Urgency, as well as “What Leaders Really Do” and his newly published book Accelerate, which is based on the award-winning article of the same name that appeared in Harvard Business Review in late 2013. Kotter’s books and ideas have guided and inspired leaders at all levels. He is the Konosuke Matsushita Professor of Leadership, Emeritus at Harvard Business School, an award-winning business and management thought leader, a successful entrepreneur, and an inspirational speaker. His ideas have helped to mobilize people around the world to better lead organizations, and their own lives, in an era of increasingly rapid change. This specially priced collection offers Kotter’s best practical advice, management insights, and useful tools to help you successfully lead and implement change in your organization—and master the art of change leadership.