What Happens To A Hamburger? (Let'S-Read-And-Find-Out Science 2)Read and find out about your digestive system in this colorfully illustrated nonfiction picture book. What happens to food when you eat it? Read and find out about your digestive system and how it turns food into energy your body can use. This is a clear and appealing science book for early elementary age kids, both at home and in the classroom. It's a Level 2 Let's Read and Find Out, which means the book explores more challenging concepts for