Book excerpt: Leadership Agility is the master competency needed for sustained success in today’s complex, fast-paced business environment. Richly illustrated with stories based on original research and decades of work with clients, this groundbreaking book identifies five levels that leaders move through in developing their agility. Significantly, only 10% have mastered the level of agility needed for consistent effectiveness in our turbulent era of global competition. Written in an engaging, down-to-earth style, this book not only provides a map that guides readers in identifying their current level of agility. It also provides practical advice and concrete examples that show managers and leadership development professionals how they can bring greater agility to the initiatives they take every day.