{"product_id":"the-rule-of-four-2","title":"The Rule of Four","description":"\u003cspan data-mce-fragment=\"1\"\u003eTom Sullivan, about to graduate from Princeton, is haunted by the violent death of his father, an academic who devoted his life to studying one of the rarest, most complex and most valuable books in the world. Coded in seven languages, the \u003c\/span\u003e\u003cspan class=\"a-text-italic\" data-mce-fragment=\"1\"\u003eHypnerotomachia Poliphili,\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e an intricate mathematical mystery and a tale of love and arcane brutality, has baffled scholars since 1499.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eTom's friend Paul is similarly obsessed and when a long-lost diary surfaces, they finally seem to make a breakthrough. But only hours later, a fellow researcher is murdered and the two friends suddenly find themselves in great danger. Working desperately to expose the book's secret, they slowly uncover a Renaissance tale of passion and blood, a hidden crypt and a secret worth dying to protect.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr\u003e","brand":"Best of used books","offers":[{"title":"Used","offer_id":43881467969793,"sku":"2QVEYVWN5-Used","price":150.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0421\/4299\/0495\/products\/TheRuleofFourHardcover_2d75813b-2c58-4a5c-8495-07388e48bab3.jpg?v=1656484396","url":"https:\/\/bestofusedbooks.com\/products\/the-rule-of-four-2","provider":"Best Of Used Books","version":"1.0","type":"link"}