Themes: Fault Lines, Earth Science, Nonfiction, Tween. Pressure in the three main types of fault lines builds with a deadly force, giving little warning to people when an earthquake strikes—sending shock waves for hundreds of miles, potentially killing thousands with falling debris and creating deadly tsunamis. 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.