{"product_id":"9780307338402","title":"Secrets of Mental Math : The Mathemagician's Guide to Lightening Calculation and Amazing Maths Tricks","description":"\u003cp\u003eAn accessible guide to mathematical calculation reveals the secrets of rapid mental calculation, memorization, and other feats of the mind, with tips on how to add, subtract, multiply, divide, and work with fractions, squares, and cube roots.\u003c\/p\u003e","brand":"Three Rivers Press","offers":[{"title":"Default Title","offer_id":48215574970603,"sku":"00000_00000_00000_00000","price":35.95,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/4484\/5803\/files\/9780307338402-1.jpg?v=1781614213","url":"https:\/\/kinokuniya.com.sg\/ja\/products\/9780307338402","provider":"Books Kinokuniya Singapore","version":"1.0","type":"link"}