{"product_id":"gardner-martin-penrose-tiles-to-trapdoor-ciphers-9780716719861","title":"Penrose Tiles to Trapdoor Ciphers","description":null,"brand":"W.H.Freeman \u0026 Co Ltd","offers":[{"title":"Default Title","offer_id":53847428923734,"sku":null,"price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0925\/5829\/5382\/files\/product_image_9780716719861_1.jpg?v=1781840173","url":"https:\/\/www.momoxbooks.com\/products\/gardner-martin-penrose-tiles-to-trapdoor-ciphers-9780716719861","provider":"momoxbooks","version":"1.0","type":"link"}