{"product_id":"9781887187251","title":"Christoffel Pattern Coloring Book","description":"\u003cp\u003eThere are 50 unique patterns in this book, each on its own physical page.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003eThe authors have for many years been obsessed with finding patterns in nature and in mathematics. This is just a very small sample of some of the interesting patterns they have discovered.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003eThe patterns are named after the German mathematician Elwin Bruno Christoffel (1829-1900). He did not directly produce them, but they are related to some of his work.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003eDetails on how the patterns are created can be found in the book \u003cem\u003ePattern Generation for Computational Art\u003c\/em\u003e.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Abrazol Publishing","offers":[{"title":"Default Title","offer_id":47060010696944,"sku":"9781887187251","price":5.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9781887187251_p0.jpg?v=1763606083","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9781887187251","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}