{"product_id":"tunnels","title":"Tunnels","description":"Today's tunnels, which extend through mountains and underneath oceans and rivers, are marvels of engineering. Readers take a close-up look at these structures and how they are built and maintained. Each chapter will focus on a key area, including the earliest tunnels, the technological advances that have improved their design and construction over time, profiles of tunnel-related careers, and examples of the most impressive tunnels in the world. This book's content correlates with Next Generation Science Standards, ensuring that young readers gain a deeper appreciation and respect for tunnels and the workers that create and maintain them.","brand":"Enslow Publishing","offers":[{"title":"Paperback","offer_id":53018110492992,"sku":"9781978505131","price":12.7,"currency_code":"USD","in_stock":false},{"title":"Hardcover","offer_id":53018110525760,"sku":"9781978503380","price":35.6,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/8912\/3648\/files\/imageloader_a6b683b1-2b27-4563-8e82-0ded64f86bc9.jpg?v=1786548338","url":"https:\/\/silverstreetbooks.com\/products\/tunnels","provider":"silverstreetbooks","version":"1.0","type":"link"}