{"product_id":"9780988408418","title":"The Human Calculator Calendar 2013","description":"The Human Calculator Calendar has 365 days divided into 13 months of 28 days each and the first day of the year is the Zero Day. The 13 months are numbered 0-12. Every month has 4 weeks. Every date falls on the same day of the week every month. Please see TheHumanCalculatorCalendar.com for more information.","brand":"The Human Calculator","offers":[{"title":"Default Title","offer_id":49815948296432,"sku":"9780988408418","price":20.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9780988408418","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}