If you want to dig deeper into leadership - here are some recommended sources that will help you be a better boss.

Classics:

The Leadership Challenge: How to Make Extraordinary Things Happen in Organizations.
Barry Kouzes and James Posner

Encouraging the Heart: A Leader's Guide to Rewarding and Recognizing Others.
Barry Kouzes and James Posner

Coaching for Performance 5th Ed: The Principles and Practice of Coaching and Leadership.
Sir John Whitmore

First, Break All The Rules: What the World's Greatest Managers Do Differently.
Marcus Buckingham

Leadership Is an Art.
Max Depree

Leadership Jazz - Revised Ed: The Essential Elements of a Great Leader.
Max Depree

Built to Last: Successful Habits of Visionary Companies.
Jim Collins

The Heart of Coaching: Using Transformational Coaching to Create a High-Performance Coaching Culture.
Thomas G. Crane

The First 90 Days: Proven Strategies for Getting Up to Speed Faster and Smarter (Updated and Expanded).
Michael D. Watkins

The EQ Edge: Emotional Intelligence and Your Success.
Steven J. Stein, PhD and Howard E. Book, MD

Crucial Conversations - Tools for Talking When Stakes Are High, 2nd Ed.
Kerry Patterson, Joseph Grenny, Ron McMillan, and Al Switzler

Crucial Accountability - Tools for Resolving Violated Expectations, Broken Commitments, and Bad Behavior, 2nd Ed.
Kerry Patterson, Joseph Grenny, David Maxfield, Ron McMillan, and Al Switzler

Getting to Yes: Negotiating Agreement Without Giving In.
Roger Fisher, William Ury, and Bruce Patton

The Situational Leader.
Dr. Paul Hersey

The New One Minute Manager.
Ken Blanchard, PhD, and Spencer Johnson, MD

Eclectic:

Don't Slurp Your Soup: A Basic Guide to Business Etiquette (revised).
Elizabeth Craig

Fish: A Proven Way to Boost and Improve Results.
Stephen C. Lundin and Harry Paul

The Richest Man in Babylon.
George S. Clason

Recent:

Hit Refresh: The Quest to Rediscover Microsoft's Soul and Imagine a Better Future for Everyone.
Satya Nadella

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