Familiarize students with complex texts with this 10-book Grade 4 collection created to align to the Common Core State Standards. Early learners will enjoy reading these engaging books while gaining adequate exposure to complex fiction and nonfiction texts. Featuring vibrant images, stimulating facts, an accessible glossary, and more; readers will be engaged from start to finish! Titles in this collection include: 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.