View Spread My Stomach A brief description with simple text and large colorful illustrations of the stomach and how the entire digestive system works. RL Grades 1-2 IL Grades 1-2 Details: Product type: Paperback Book ISBN: 978-0-7614-3359-0 Author: Dana Meachen Rau Copyright: 2008 Reading Level: Grades 1-2 Interest Level: Grades 1-2 Paperback Book — $9.23 / $7.85