{"product_id":"2262156","title":"Bridges, Canals \u0026 Tunnels: The Engineering Conquest of America (The Smithsonian Library)","description":"159 pp. CONTENTS: Introduction; Heyday of the Canals; Timber Spans and Iron Horses; The Importance of Being Level; And Then Came Steel; The Suspension Spectacle; Portfolio: The Brooklyn Bridge; A Great Time for Doing; In the Age of the Automobile; Appendix: Chronology, Mr. Beach's Pneumatic Secret, The Essentials of Bridge Building, Cause for Celebration, A History in Song, Further Reading, Index.","brand":"American Heritage","offers":[{"title":"Default Title","offer_id":12596505116742,"sku":"2262156","price":7.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1232\/9510\/products\/2262156.jpg?v=1571425420","url":"https:\/\/ym-demo.myshopify.com\/products\/2262156","provider":"Yesterday's Muse","version":"1.0","type":"link"}