Themes: History, Civil Rights, Nonfiction, Tween. Nine high school students in Little Rock, Arkansas were at the heart of the battle to integrate schools in the late 1950s. Many places in the south were slow to change, but things got especially heated in Little Rock, Arkansas. 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.