{"product_id":"a-history-of-pi","title":"A History of Pi","description":"The history of pi, says the author, though a small part of the history of mathematics, is nevertheless a mirror of the history of man. Petr Beckmann holds up this mirror, giving the background of the times when pi made progress -- and also when it did not, because science was being stifled by militarism or religious fanaticism.","brand":"Macmillan","offers":[{"title":"Default Title","offer_id":47851057348834,"sku":"MTO-MACMILLAN-2026-05-29-8.10-1073","price":30.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0569\/9898\/5881\/files\/book_107_r9vbsEnjL.jpg?v=1780364158","url":"https:\/\/layitflat.com\/products\/a-history-of-pi","provider":"Lay it Flat Publishing Group","version":"1.0","type":"link"}