{"product_id":"a-gathering-of-gardner-time-travel-and-other-mathematical-bewildermentspenrose-tiles-to-trapdoor-ciphers-and-the-return-of-dr-matrixknotted-doug-9780716720669","title":"A Gathering of Gardner: Time Travel and Other Mathematical Bewilderments\/Penrose Tiles to Trapdoor Ciphers and the Return of Dr. Matrix\/Knotted Doug","description":"\u003cdiv class=\"book-description\"\u003e\u003cp\u003e\u003cstrong\u003eA Gathering of Gardner: Time Travel and Other Mathematical Bewilderments\/Penrose Tiles to Trapdoor Ciphers and the Return of Dr. Matrix\/Knotted Doug\u003c\/strong\u003e by Gardner, Martin. paperback edition. ISBN: 9780716720669.\u003c\/p\u003e\u003c\/div\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":44853973614645,"sku":"ByrdShop_0716720663","price":226.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8139\/0901\/files\/ByrdShop_0716720663_4fa1455d-e34d-409f-8ab5-f631a4ea8244.jpg?v=1781051401","url":"https:\/\/atxbooks.com\/products\/a-gathering-of-gardner-time-travel-and-other-mathematical-bewildermentspenrose-tiles-to-trapdoor-ciphers-and-the-return-of-dr-matrixknotted-doug-9780716720669","provider":"ATX Books","version":"1.0","type":"link"}