Vintage lot of Microwave cookbooks, 1980's retro cookbook, novelty gift

Vintage lot of 2 Microwave Cookbooks 1980's The Magic of Microwave - hardback with dust cover, circa 1987, one small rip in page noted The Microwave Guide and Cookbook - paperback, "How to" Techniques and finished results, circa 1984, back 1/3 of book does have some previous water damage (please see pictures) mostly affects dessert and glossary section. Awesome picture of vintage corningware "heartbeat" casserole dish on page 31 (see pic) retro cooking, vintage cooking, novelty gift, gag gift, microwave cooking, how to book, menu options, retro recipes, soups, desserts, entree, appetizers.