http://www.amazon.com/Odd-Bits-Cook-Rest-Animal/dp/158008334X/ref=sr_1_3?s=books&ie=UTF8&qid=1418159660&sr=1-3&keywords=jennifer+mclagan+bones

Jennifer McLagan loves a controversial ingredient. Her cookbooks include works on bones, fat, and the scary bits. Now it's time to get bitter.