{"product_id":"the-lead-in-your-pencil-a-history-of-pencil-hardnesses-9781508498254","title":"The Lead In Your Pencil: A History of Pencil Hardnesses","description":"Nobody has ever purchased a pencil, they just get them from work. From humble beginnings in the 16th century pencil manufacture has now reached several billion a year. Most pencils are yellow and you no longer go mad if you chew their yellow paint. This little volume looks at the lead in your pencil.\u003cbr\u003e","brand":"Createspace Independent Publishing Platform","offers":[{"title":"Default Title","offer_id":50873454231826,"sku":"9781508498254","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_e637d7cd-4092-416a-ac68-79fd26a8e412.jpg?v=1737935368","url":"https:\/\/surprise-castle.myshopify.com\/products\/the-lead-in-your-pencil-a-history-of-pencil-hardnesses-9781508498254","provider":"Surprise Castle","version":"1.0","type":"link"}