{ "item_title" : "Simple Machines Screw", "item_author" : [" Jeff Barger "], "item_description" : "In Simple Machines: Screw, young learners in grades 1-3 will explore what a screw is and how it is useful. This 24-page title uses real-world examples of simple machine mechanisms and explains how these feats of engineering can make daily work less difficult to complete. The Simple Machines series for grades 1-3 explains how basic mechanical devices, that are used for applying a force, can help make daily tasks much easier. Featuring before- and after-reading activities, a glossary, an index, and comprehension questions, this series helps young learners strengthen their reading comprehension skills while also introducing them to some of the most commonly used simple.", "item_img_path" : "https://covers3.booksamillion.com/covers/bam/1/64/369/074/1643690744_b.jpg", "price_data" : { "retail_price" : "8.95", "online_price" : "8.95", "our_price" : "8.95", "club_price" : "8.95", "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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