Fighter Clay Saves the Day - Hardcoverby Adam Harlan (Author), Michael Setcavage (Illustrator) Fighter Clay Saves the Day is an educational children's story teaching the importance of washing your hands and a deeper understanding of what happens when the body gets sick. The book follows three friends, who happen to be immune cells as they battle a viral attack inside a boy's body. It is a story about the world that is inside a human's body and the small heroes that help keep our bodies