{"product_id":"9781477275740","title":"Roll Call: 2012","description":"After teaching junior high school mathematics for 10 years and serving as a high school principal for 14 years, Dr. Clarence Johnson conducted research as a doctoral student on improving the mathematics failure rates of African American students. You can read about his findings in Roll Call: 2012.","brand":"AuthorHouse","offers":[{"title":"Default Title","offer_id":47181724221680,"sku":"9781477275740","price":3.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9781477275740_p0.jpg?v=1763613892","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9781477275740","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}