{"product_id":"9780836873542","title":"How Ramps, Wedges, and Screws Work","description":"Forces and motion are key concepts in the elementary science curriculum.  How Simple Machines Work uses easy-to-read text and full-color photographs to help young readers understand the principles behind simple machines.  Each volume includes three diagrams to enhance understanding.  The text has been vetted by a science curriculum consultant and a reading consultant, allowing students to build reading skills as well as their knowledge of science concepts.  ","brand":"Gareth Stevens Publishing LLLP","offers":[{"title":"Default Title","offer_id":47022001029360,"sku":"9780836873542","price":8.15,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9780836873542_p0.jpg?v=1769859488","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9780836873542","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}