Written by Chuck Rudolph, Marc Lobliner & Derek Charlebois - It offers a diet that is high in fat and protein while you digest a nice carb refeed. Of course they suggest a high dose of supplments and an intense workout. Lots of great feedback on their website along with tips, advice and a store to purchase the book if you desire. I believe if you are into these types of diets and always look for new ways to lean out while building muscle its a solid choice.