I'm actually re-reading The art and science at the moment. Keep in mind it's actually a booklet meant for lean athletes and their coaches.

Volek and Phinney are STILL recommending a 80% fat diet, while explaining the bio-chemistry behind the recommendation and why a low carb diet (or what they very deliberately call a "well-formulated low carbohydrate diet") is PROTEIN-SPARING rather than muscle-wasting.