This is The Five Dysfunctions of a Team by Patrick Lencioni. Teamwork is the ultimate competitive advantage, often elusive. Building a strong team is simple in theory but painfully difficult in practice, requiring mastery of specific behaviors. This book features a compelling story about CEO Catherine Peterson fixing a broken executive team. Learn the five dysfunctions—from absence of trust to inattention to results—and use the detailed assessment and suggested tools to achieve more than you ever could alone.