These texts illustrate the complexity, quality, and range of student readings for fourth and fifth grades per Common Core State Standards. Set is fully aligned to Common Core State Standards and includes literary nonfiction, historical, and scientific texts. Set includes: Hurricanes: Earth's Mightiest Storms by Patricia Lauber, A History of US: The First Americans by Joy Hakim, Horses by Seymour Simon, and Quest for the Tree Kangaroo: An Expedition to the Cloud Forest of New Guinea by Sy Montgomery. Set of four books. Grades 4-5.