The CAD book that I have is one of the orginal also. It does not say anything about the 1/3's. All it says is to make sure you eat a balanced RM, and that is all they say. Mine is like Willbthin's and it says you can eat desserts, in fact you can eat 2 desserts. I didn't even find out about the balancing into 1/3's until after I had been on CAD for several months. I lost anyways.

I have also heard that the Heller's stated that if they had a choice they would recall all of the orginal CAD books as a lot of people went way overboard with their RM. I think that is why they revised CAD and put more empahsis on balancing.

My book is copyrighted 1991 and it has a white cover.

I just ordered their new book last night.. DARN, I wish I would have known that it would not be much help. OH well, maybe I will find some interesting reading in it anyways.