Book excerpt: Ten years after the worldwide bestseller Good to Great, Jim Collins returns withanother groundbreaking work, this time to ask: why do some companies thrive inuncertainty, even chaos, and others do not? Based on nine years of research,buttressed by rigorous analysis and infused with engaging stories, Collins andhis colleague Morten Hansen enumerate the principles for building a truly greatenterprise in unpredictable, tumultuous and fast-moving times. This book isclassic Collins: contrarian, data-driven and uplifting.