{"product_id":"9780884150879","title":"Dead Reckoning: Calculating Without Instruments","description":"\u003cp\u003eNo author has gone as far as Doerfler in covering methods of mental calculation beyond simple arithmetic. Even if you have no interest in competing with computers you'll learn a great deal about number theory and the art of efficient computer programming. —Martin Gardner\u003c\/p\u003e","brand":"Taylor Trade Publishing","offers":[{"title":"Default Title","offer_id":47012805837040,"sku":"9780884150879","price":17.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9780884150879_p0.jpg?v=1769912193","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9780884150879","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}