{"product_id":"9780008444495","title":"Maths on the Back of an Envelope : Clever Ways to (Roughly) Calculate Anything","description":"\u003cp\u003e‘Another terrific book by Rob Eastaway’ SIMON SINGH ‘A delightfully accessible guide to how to play with numbers’ HANNAH FRY\u003c\/p\u003e","brand":"HarperCollins","offers":[{"title":"Default Title","offer_id":48990020632811,"sku":"EB_SC1500_D16-01_SIMS","price":29.45,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/4484\/5803\/files\/9780008444495-1.jpg?v=1785764969","url":"https:\/\/kinokuniya.com.sg\/zh\/products\/9780008444495","provider":"Books Kinokuniya Singapore","version":"1.0","type":"link"}