First, Break All the Rules
The classic book based off a massive Gallup study, this excellent book defines what great managers do differently than the rest.
A must read for every organizational leader.
12: The Elements of Great Managing
12: The Elements of Great Managing is a follow up to the same study and work of "First, Break All the Rules."
Confidence: How Winning Streaks and Losing Streaks Begin and End
Confidence: How Winning Streaks and Losing Streaks Begin and End details the importance of organizational confidence and how to develop and maintain it.
Entrepreneurial Mindset
This book from HBS press highlights how organizations of any size can remain competitive through entrepreneurial approaches in a continuously changing competitive landscape.
Good to Great
Another must read from Jim Collins (Built to Last and many more). This book explains how settling for "good" can be so bad for many organizations and how to make your company great.
The Imperfect Leader
Ever feel like you don't fit the culture? Then check this book out - it helps explain the principles of Value-based leadership through a story and easy read.
The Monk and the Riddle
Work-life balance (or rather, alignment) defined in a semi-fictional story from the perspective of a venture capitalist in the dot-com era.
Who Moved My Cheese?
The classic, quick read on change management.
The Five Dysfunctions of a Team
A great text for every manager, The Five Dysfunctions of a Team can also be an excellent exercise for an off-site. The text is written in a growing trend of a fictional story examplifying best practices, which makes it a quick, easy read.
World's Most Powerful Leadership Principle
The World's Most Powerful Leaderhsip Principle: How to Become a Servant Leader is the second book on servant leadership by
James C. Hunter. In this book, Mr. Hunter provides a clear explanation of what Servant Leadership is, why it is so beneficial to an organization and the key steps to implementing servant leadership for yourself and / or your organization.