{"product_id":"9781624428456","title":"Gravity: Reading Level 4","description":"Have you ever wondered how gravity works? Written for students in grade 4, Gravity tells students how it works. Students also learn how gravity affects a person's weight, space travel, and even the orbits of the planets! This 22-page book includes a glossary of bold-faced vocabulary words, reading activities, an index of terms, and an answer key.","brand":"Mark Twain Media","offers":[{"title":"Default Title","offer_id":47158623305968,"sku":"9781624428456","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9781624428456_p0.jpg?v=1763863269","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9781624428456","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}