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 best-selling 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.

Geoff Smart and Randy Street offer a simple, four-step method for hiring with confidence, designed for everyone from the CEO on down. Who shows you how to avoid the most common pitfalls of hiring, how to identify "A Players" - people who can perform their job better than 90 percent of the candidates in their field - and how to make sure the best candidate will be excited to join your organization.

The new question: Ten years after the worldwide bestseller Good to Great, Jim Collins returns to ask: Why do some companies thrive in uncertainty, even chaos, and others do not? In Great by Choice, Collins and his colleague, Morten T. Hansen, enumerate the principles for building a truly great enterprise in unpredictable, tumultuous, and fast-moving times. The new study: Great by Choice distinguishes itself from Collins’s prior work by its focus on the type of unstable environments faced by leaders today.

In keeping with the parable style, Patrick Lencioni begins by telling the fable of a woman who, as CEO of a struggling Silicon Valley firm, took control of a dysfunctional executive committee and helped its members succeed as a team. Story time over, Lencioni offers explicit instructions for overcoming the human behavioral tendencies that he says corrupt teams. Succinct yet sympathetic, this guide will be a boon for those struggling with the inherent difficulties of leading a group.

Built To Last, the defining management study of the 90s, showed how great companies triumph over time and how long-term sustained performance can be engineered into the DNA of an enterprise from the very beginning. But what about companies that are not born with great DNA? How can good companies, mediocre companies, even bad companies achieve enduring greatness?