A group of soldiers sneak onto enemy land. The Marines attack and stop the enemies from making their move. Members of the United States' Marine Corps work day and night to keep the country safe. With carefully leveled text and age-appropriate content, this nonfiction beginning reader is full of action-packed photography and fascinating facts. Easy-to-read infographics develop visual literacy. On-page vocabulary definitions, a table of contents, a glossary with pronunciations, further resources, and an index all enhance comprehension.