There is a competitive advantage out there, arguably more powerful than any other. Is it superior strategy? Faster innovation? Smarter employees? No, New York Times bestselling author, Patrick Lencioni, argues that the seminal difference between successful companies and mediocre ones has little to do with what they know and how smart they are, and more to do with how healthy they are. In this book, Lencioni brings together his vast experience and many of the themes cultivated in his other bestselling books and delivers a first: a cohesive and comprehensive exploration of the unique advantage organizational health provides.