{"product_id":"is-it-smooth-or-rough","title":"Is It Smooth or Rough?","description":"A piece of silk is smooth. Tree bark is rough. Why are some objects smooth and others rough? Find out in this series about materials and their properties. Informative, at-level text and engaging photographs help readers understand the differences between smooth and rough objects.","brand":"Pebble Books","offers":[{"title":"Default Title","offer_id":50752397082856,"sku":"9781977131812","price":29.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/9539\/3512\/files\/imageloader_c8699d51-75ba-4b91-bffb-91d39b3dc123.jpg?v=1790218523","url":"https:\/\/kuumba-47muwsn1.myshopify.com\/products\/is-it-smooth-or-rough","provider":"Kuumba","version":"1.0","type":"link"}