The New York City Subway System has been carrying passengers for more than a century. Engineering the NYC Subway Systemexplores how designers drew up plans for the subway, how workers built the underground system in one of the world's busiest cities, and how commuters still rely on its hundreds of trains today. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of contents,...

The Colosseum, the greatest arena of the ancient Roman world, still stands in Rome, Italy, nearly 2,000 years after its construction. Engineering the Colosseumstudies how ancient designers put the structure together, what kinds of events were held there, and how modern conservationists are protecting and restoring the building today. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include...