Parents of toddlers are familiar with the problem of kids putting things in their mouths that they shouldn't. A new picture book called "That's Not Food!" captures that experience in a creative and hilarious fashion.On Midday Edition Wednesday, San Diego author Mara Altman talks about how raising twin toddlers inspired her to make a children's book featuring dishes like "slime pie" and "cactus pancakes."Guest:Mara Altman, author, "That's Not Food!"