Help your child power up their reading skills and learn all about the talented Navajo code talkers during World War II with this fun-filled nonfiction reader–carefully leveled to help children progress.DK Super Readers Level 4: Navajo Code Talkers will introduce kids to about the Navajo code talkers sending top-secret messages in code based on their native languages during World War II—and is a motivating introduction to using essential nonfiction reading skills, proving ideal for children ready to enter the riveting world of reading. DK Super Readers take children on a journey through the wonderful world of nonfiction: traveling back to the time of dinosaurs, learning more about animals, exploring natural wonders and more, all while developing vital nonfiction reading skills and progressing from first words to reading confidently. The DK Super Readers series can help your child practice reading by:- Covering engaging, motivating, curriculum-aligned topics.- Building knowledge while progressing core Grade 4 and 5 reading skills.- Developing subject vocabulary on topics such as inventions, inventors, and history.- Boosting understanding and retention through comprehension quizzes.Each title, which has been leveled using MetaMetrics®: The Lexile Framework for Reading, integrates science, geography, history, and nature topics so there’s something for all children’s interests. The books and online content perfectly supplement core literacy programs and are mapped to the Common Core Standards. Children will love powering up their nonfiction reading skills and becoming reading heroes. DK Super Readers Pre-level titles are visually engaging and expand subject knowledge and vocabulary for young readers who want to learn more about the world around them. Perfect for children ages 8 to 10 (Grades 4 and 5) who are learning to read with help.