For further reading on leadership try the following
Brene Brown Daring Greatly
Goffee and Jones Why should anyone be led by you?
Peter Senge Presence
David Whyte The Heart Aroused
Susan Scott Fierce Conversations
Michael Marquardt Leading with Questions
Warren Bennis On Becoming a Leader
Noel Tichy The Leadership Engine
Marcus Buckingham Now discover your Strengths
Crainer & Dearlove Firestarters
Charles Handy The Hungry Spirit
Kouzes & Posner Credibility
Collins & Porras Built to Last