{ "item_title" : "Math Brain Puzzles", "item_author" : [" Ted Warner "], "item_description" : "Mathrax consists of a square grid. The goal is to fill in each cell with numbers from 1 to N, where N is the size of the puzzle's side. No number may appear twice in any row or column. Circles with additional conditions may be situated on intersections of lines inside the grid; a circle may contain: - A number and a sign of mathematical operation (addition, subtraction, multiplication, division) - a number is a result of an operation execution with numbers in diagonally adjacent cells. - A letter E (even) - all numbers in four cells are even. - A letter O (odd) - all numbers in four cells are odd.", "item_img_path" : "https://covers2.booksamillion.com/covers/bam/1/98/102/996/1981029966_b.jpg", "price_data" : { "retail_price" : "10.24", "online_price" : "10.24", "our_price" : "10.24", "club_price" : "10.24", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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