DRiVE, The Surprising Truth About What Motivates Us, © 2009, by Daniel Pink.

In our changing new world, a refreshing look at how to reincorporate autonomy, purpose, and mastery as essential domains to boost motivation. The old formula based on the carrot and the stick does not work anymore.

A quote from DRiVE that I liked: "The shrewdest enterprises afford employees the freedom to sculpt their jobs in ways that bring a little bit of flow to otherwise mundane duties."