The London Underground, the British capital's extensive subway system, carries millions of commuters, tourists, and other people every day. Engineering the London Underground examines the need for underground transport, advances in tunneling and train technology, and the role the Underground has played in London's history. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of contents, infographics, a glossary, additional resources, and an index. Aligned to Common Core Standards and correlated to state standards. Core Library is an imprint of Abdo Publishing, a division of ABDO.