The Five Dysfunctions of a Team, Enhanced Edition: A Leadership Fable (J-B Lencioni Series)

Simon Sinek Start with Why: How Great Leaders Inspire Everyone to Take Action

Patrick M. Lencioni The Advantage: Why Organizational Health Trumps Everything Else In Business (J-B Lencioni Series)

Henry Cloud Boundaries for Leaders (Enhanced Edition): Results, Relationships, and Being Ridiculously In Charge

Peter M. Senge The Fifth Discipline: The Art & Practice of The Learning Organization