Came across this excellent "mind tools" site while preparing a module on healthy conflict resolution. Lots of great content for organizational improvement and a free newsletter.
Daniel H. Pink: Drive: The Surprising Truth About What Motivates Us
Dave Crenshaw: The Myth of Multitasking: How "Doing It All" Gets Nothing Done
Doug Lemov: Teach Like a Champion: 49 Techniques that Put Students on the Path to College
James M. Kouzes: The Truth about Leadership: The No-fads, Heart-of-the-Matter Facts You Need to Know