The world-renowned program for healthy and lasting weight loss, developed by experts at Duke University, is now a book and an online diet program. Thousands of people have learned how to lose weight and keep it off with the help of this proven plan - and now you can, too! For a limited time, both the book and a 2-week trial of the Duke Diet & Fitness Online Weight-Loss Program, a $37.95 value, are yours for just $9.95.