Patricia Heaton, Bob Harper, and Rach are doing a book signing -- right in our studio! Patricia Heaton is cooking up nachos and dessert from her new book! Celebrity trainer Bob Harper is going to teach his first workout class since his heart attack to our audience, and he’ll reveal the weight-loss secrets from his book, The Super Carb Diet. Rach is cooking up our new favorite breakfast, Parmigiano-Reggiano French Toast.