The Type 2 Diabetes Breakthrough. Go here to see Dr. Frank Shallenbergers website with a discussion of this and other books he wrote.
http://www.realcuresletter.com/products.aspx
There are a gazillion diets and all sorts of "break throughs". Best advice is probably to try everything and ignore the American Diabetes Association's proposal that you eat lots of starchy foods (as a way to offset the craving for sugar I guess?).
Eat only low glycemic foods.