Kemba Spencer has a tough life. His parents think he’s weird, he doesn’t have any friends, and sometimes the school bully picks on him. If only he could be more like Underdog, the courageous and caring superhero from his favorite video game. Then one afternoon, a bully takes things too far, and Kemba has a chance to change another student’s life as well as his own. Hi-Lo Chapter Books for Children. This series of short novels was designed to engage a broad spectrum of struggling readers. No longer will upper-elementary students have to read material junior to their maturity and interests. Characters are age appropriate and come from diverse cultures and backgrounds. Science fiction, sports, paranormal, realistic life, historical fiction, and fantasy are just a few of the many genres. Books are no higher than a 1.5 reading level, with illustrations on every spread that support visual literacy and draw kids into the text.