Features of this book which we ask you to investigate include the chapter on Heat, which gives you many clues to maintaining the nutrients in the food you are cooking. Know Your Ingredients reveals vital characteristics of the materials you commonly combine, how and why they react as they do, how to measure them and, when feasible, how to substitute one for another. Then, in the paragraphs marked "About," you will find information relating to those food categories, including the amounts to buy.