{"product_id":"2940013465220","title":"Diet and Health With Key to the Calories","description":"First published in 1918, Diet and Health With Key to the Caolore, sold somewhere between 800,000 and 2 million copies (depending on who you believe) and was the number 4 bestselling nonfiction book in 1923, according to Publisher’s Weekly. The book was Diet and Health, with the Key to the Calories, written by Los Angeles physician Lulu Hunt Peters, a longtime chunky woman who topped out at 220 pounds, but who managed to lose 70 of those pounds using the system she described in her book: calorie counting. Different types of diet foods and calorie planning to help with long term weight loss.","brand":"Robin Michell","offers":[{"title":"Default Title","offer_id":47145647702256,"sku":"2940013465220","price":0.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/2940013465220_p0.jpg?v=1763581644","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/2940013465220","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}