{"product_id":"9781570911644","title":"Sir Cumference and the Dragon of Pi","description":"\u003cp\u003eSir Cumference, Lady Di of Ameter, and Radius are back in their second Math Adventure! This time, a potion has changed Sir Cumference into a fire-breathing dragon. Can Radius change him back? Join Radius on his quest through the castle to solve a riddle that will reveal the cure. It lies in discovering the magic number that is the same for all circles.\u003c\/p\u003e","brand":"Charlesbridge","offers":[{"title":"Default Title","offer_id":47049341501680,"sku":"9781570911644","price":7.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9781570911644_p0.jpg?v=1763766642","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9781570911644","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}