{ "item_title" : "Tunnels", "item_author" : [" Kevin Reilly "], "item_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.", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/1/97/850/338/1978503385_b.jpg", "price_data" : { "retail_price" : "35.60", "online_price" : "35.60", "our_price" : "35.60", "club_price" : "35.60", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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