A number of authors have written books for gluten-free kids, including Eating Gluten Free with Emily, Gluten-free Ghouls, and Gluten-free Friends: An Activity Book for Kids and Mommy What is Celiac Disease, all available on amazon.com.
You’ll also find details about a new series of books, Hunters Heroes Adventures, that feature kids with celiac disease and other food allergies as superheroes here.