Featuring fiction and nonfiction books, students will gain adequate exposure to a range of appropriately complex texts that are aligned to the Common Core State Standards. With a focus on 4th Grade students, each book in this 30-book collection will keep readers interested and engaged through vibrant images, vivid illustrations, supportive diagrams, stimulating facts, an accessible glossary, and more. Titles in this collection include: Technology: Feats & Failures; On the Scene: A CSI's Life; Survival! Ocean; The Winning Angle; Unsolved! Mysterious Events; Towns and Cities; Nelson Mandela: Leading the Way; Natural Disasters; Hand to Earth: Saving the Environment; Strange but True: Gross Anatomy; Eco-Predictions; Harriet Tubman; Survival! Jungle; Straight Talk: The Truth About Food; Physical: Feats & Failures; Unsolved! Mysterious Places; Defying Gravity! Rock Climbing; Strange but True: Tiny Creatures; Hand to Heart: Improving Communities; Industrial Giants; Sitting Bull; Weather Scientists; Life in the Ocean Layers; Olympic Technology; Animal Architects; Unsolved! History's Mysteries; Hand to Paw: Protecting Animals; Engineering: Feats & Failures; Famous Immigrants; Roberto Clemente.