We've reviewed dog foods annually for 17 years now, and we try, every year, to tell you something new about the food you feed (or should be feeding!) your dog, something you may not have known before. We also tell you how we define and identify good-quality foods, and how to tell them apart from the products of lesser quality. And finally, we give you a list of foods that meet all of our selection criteria and meet our approval. We're doing all that again this year, but in a slightly different format.