Sam was born on the moon. He lives on a moon base with his parents. He s never been to Earth. But there s a school break, and his aunt invites him to stay with her family. Sam is excited. He will get to spend time with his cousin, Linn. She will show him around. His parents know he will love his home planet. 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...