This is not a book for amateurs. Or wimps. It requires a low temperature, very accurate water bath (we bought some Precision lab equipment on eBay, which was 1/5 the price of the commercially available one)--so we are already weeding out those who are not seriously motivated. Then you need a vaccuum packer because sous vide is cooking at very low temperature in an airless environment for long periods of time to obtain food with ethereal texture. Ok, outcome is exceptional, but planning and execution are not for the feint of heart. Thomas Keller is the man to describe this in detail--he is so detail oriented and has such a commitment to cooking that this book is both gorgeous and empowering. Not for me, but my husband. I think it looks unbearably difficult, and I am really not sire how much time to devote to cooking the likes of pig tails (which look pretty appetizing, when all is said and done) and calf liver...but that's me....