Bound To Stay Bound

		Engineering the NYC subway system (Building by design)  Author: McCarthy, Cecilia Pinto  Publisher:  Abdo (2018)  Dewey: 625.42  Classification: Nonfiction  Physical Description: 48 p., ill. (chiefly col.), 23 cm  BTSB No: 184402  ISBN: 9781532111686  Ages: 9-12  Grades: 4-7  Subjects:  Subways  New York (N.Y.) -- History
	Price: $26.06

Summary:
An introduction to the NYC Subway System, including how designers drew up plans for the subway, how workers built the underground system in one of the world's busiest cities, how commuters still rely on its hundreds of trains today, and more.