{"product_id":"hilariously-simple-math-the-pigpen-problem-how-to-calculate-area-and-perimeter","title":"Hilariously Simple Math. The Pigpen Problem. How to Calculate Area and Perimeter","description":null,"brand":"Clavis Uitgeverij","offers":[{"title":"Default Title","offer_id":54520795890003,"sku":"9781605378640","price":19.99,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1086\/6527\/4707\/files\/cover_front_36631d20-8b6d-4f9a-a1de-cac2c57949f9.jpg?v=1786132672","url":"https:\/\/checkout.clavisbooks.com\/products\/hilariously-simple-math-the-pigpen-problem-how-to-calculate-area-and-perimeter","provider":"Clavis","version":"1.0","type":"link"}