Here are nine highly regarded books on leadership
"Leaders Eat Last" by Simon Sinek
"The 21 Irrefutable Laws of Leadership" by John C. Maxwell
"Dare to Lead" by Brené Brown
"Leadership in War" by Andrew Robert
"Primal Leadership" by Daniel Goleman, Richard Boyatzis, and Annie McKee
"Leadership and Self-Deception" by The Arbinger Institute
"Drive: The Surprising Truth About What Motivates Us" by Daniel H. Pink
"Turn the Ship Around!" by L. David Marquet
"Good to Great" by Jim Collin