On my list:
Strengths-Based Leadership, by Tom Rath and Barry Conchie, 2009Drive: The Surprising Truth About What Motivates Us, by Daniel H. Pink, 2011 (check out the Ted Talk as well)
The Leadership Pipeline: How to Build the Leadership Powered Company, by Ram Charan, Stephen Drotter, and James Noel, 2011
Here's the full 20:
Top 20 Books on Leadership and Management
For those of you that have read these books, which have been impactful for you?