{"product_id":"9780486290027","title":"Geometric Magic Squares","description":"Traditional magic squares employ a chessboard-like arrangement of numbers in which the total of all rows, columns, and diagonals add up to the same number. This innovative approach by a Dutch engineer challenges puzzlists to think two dimensionally by replacing numbers with colorful geometric shapes. Dozens of creative puzzles, suitable for ages 12 and up.","brand":"Dover Publications","offers":[{"title":"Default Title","offer_id":47122813518064,"sku":"9780486290027","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9780486290027_p0.jpg?v=1763708637","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9780486290027","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}