{"product_id":"9781628841770","title":"Secret of Mental Math Arithmetic: 70 Secrets to Super Speed Calculation \u0026 Amazing Math Tricks: How to Do Math Without a Calculator","description":"No matter how simple it may be, solving mathematical equations can be a challenge for quite a number of persons. Through his book titled \"Secret Of Mental Math Arithmetic: 70 Secrets To Super Speed Calculation \u0026amp; Amazing Math Tricks\", Jason","brand":"Speedy Publishing Books","offers":[{"title":"Default Title","offer_id":48531776602353,"sku":"9781628841770","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/5433\/7265\/files\/9781628841770_p0.jpg?v=1786310388","url":"https:\/\/shop.barnesandnoble.com\/products\/9781628841770","provider":"Barnes \u0026 Noble","version":"1.0","type":"link"}