Are you fascinated with battleships and wars at sea? The U.S. Navy has a long history of defending the nation from threats at sea. Did you know that active duty members of the U.S. Navy are sailors? Find out how the Navy's fleet of ships has become bigger, faster, and more efficient through visual information such as charts, maps, and captions. This title will allow students to analyze the structure an author uses to organize a text, including how the major sections contribute to the whole and to the development of the ideas.