True if you depend on it, for every meal you eat, it can get you down. So Tuesday at lunch if you have to flip to page 263 or whatever to decide what to eat, that's not good.
But if you've learned from the examples of what a healthy portion of lean meat and appropriate veggies and sides look like, and what constitutes a healthy snack. You'll be much better off than going on your own.
The guy that wrote it even has said it's not about spot reduction, but overall fat reduction, but since you're loosing fat all over, you'll also loose it from your belly.
I've also just discovered a book called Burn the Fat, Feed the Muscle. it talks about proper nutrition, setting goals, exercise, how to deal with different body types, differences in types of carbs, guidelines when eating out.
it might be a bit much for some, close to 350 pages, but in a quick look, it seems to be full of good basic info.
The web site for it is really quite frightening and makes it look like a big scam.
A pdf version can be found elseware on the internet if you want to take a look.