Since it’s original publication nine years ago, Leadership and Self-Deception has become an international word-of-mouth phenomenon. Rather than tapering off, it has sold more copies each year since 2004 than it did in any of the first four years after publication. The book’s central insight—that the key to leadership lays not in what we do, but in who we are—has proved to have powerful resonances not only for organizational leadership, but in readers’ personal lives as well. Leadership and Self-Deception uses an entertaining story about an executive facing challenges at work and at home to expose the precise psychological processes that conceal our true motivations and intentions from us and trap us in a “box” of endless self-justification. Most importantly, the book shows us the way out. This new edition has been revised throughout to make the story more readable and compelling. And drawing on the extensive correspondence they’re received over the years the authors have added a section that outlines the many ways that readers have been using Leadership and Self-Deception, focusing on five specific areas: hiring, teambuilding, conflict resolution, accountability, and personal growth and development.