This product is a set of four hardcover books titled "Kellogg's Corn Flakes Campbell's Hershey Kisses & Diner Recipes" released in 2016. The books feature recipes and advertising for popular brands such as Kellogg's, Campbell's, and Hershey, focusing on themes related to bakery and baking. This unique collection offers a nostalgic look into the world of food and beverage advertising, making it a valuable addition to any collector's shelf.