The Fat Solution by Tom Venuto -- more than half the book deals with the "mental training" side of weight loss. Lots of good action items to help you form your own plan.
"But remember, the brick walls are there for a reason. The brick walls are not there to keep us out. The brick walls are there to give us a chance to show how badly we want something. Because the brick walls are there to stop the people who don’t want it badly enough. They’re there to stop other people." Randy Pausch, "The Last Lecture"