In City Trains, beginning readers will learn about city train and subway systems, such as the New York City Subway and Chicago 'L' that transport people in busy cities, both under and above crowded streets. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn about city trains and their use. A labeled New York City Subway map shows readers where the subway runs in the city's boroughs, while a picture glossary...