Themes: Athletes, Injuries, Nonfiction, Tween. Who was Homer? What was the ball game? What does a skeleton do? Did Allan Ray's eye pop out? Have you ever been hurt playing sports? Red Rhino Books Nonfiction is the first Hi-Lo children's nonfiction series at a first-grade reading level for students in grades 4–7. Visually appealing fullcolor photographs and illustrations—along with fun fact boxes—keep these books flowing. Also includes prereading comprehension questions along with a 20-word glossary for further reading support.