These links cover various leadership topics.
The Leadership Challenge
by James M. Kouzes, Barry Z. Posner
Learn about the Five Practices of Exemplary Leadership.
by Steven Covey
Not strictly about leadership but good practices for leaders.
The Power of 2
by Tony Scire
Principles of treating people well just because it is right.
Leading with the Heart
by Mike Krzyzewski
Strategies for Basketball, Business, and Life.
by Marco Marsan
Everybody is a creative genius at age 4. Learn how to recapture that
creativity by "Thinking Naked".