Breaking secret codes. Listening in on enemy meetings. That's just the beginning of what members of the NSA do. Bring your struggling and reluctant readers on a high-interest search for facts about one of the U.S. government's most secret organizations. With expertly leveled text, facts presented in infographics, and information on historic missions and current practices, this nonfiction early chapter book will have your students in on the action. A table of contents, glossary with pronunciations, further resources, and an index all enhance comprehension.