Ronald A. Heifetz The Practice of Adaptive Leadership: Tools and Tactics for Changing Your Organization and the World

John C. Maxwell The 21 Irrefutable Laws of Leadership: Follow Them and People Will Follow You

Jason Barron The Visual Mba: Two Years of Business School Packed into One Priceless Book of Pure Awesomeness

Peter Drucker The Effective Executive: The Definitive Guide to Getting the Right Things Done (Harperbusiness Essentials)