{"product_id":"books-rapid-math-without-a-calculator-by-frederick-a-collins","title":"Rapid Math Without A Calculator","description":"Collins shows readers how to do arithmetic and mathematical calculations in their heads, without recourse to a calculator. With minimum application of the hints, strategies and shortcuts contained within, anyone can attain proficiency in rapid math calculation, including addition, subtraction, multiplication , division and working with fractions.","brand":"World of Books ","offers":[{"title":"Default Title","offer_id":53673061581073,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/9780806527796.jpg?v=1781522980","url":"https:\/\/www.worldofbooks.com\/products\/books-rapid-math-without-a-calculator-by-frederick-a-collins","provider":"World of Books ","version":"1.0","type":"link"}