{"product_id":"9781845242947","title":"The Casson Family in North Wales - A Story of Slate and More","description":"Yn 1800, cyrhaeddodd dau frawd, William a Thomas Casson ardal Ffestiniog o ardal y Llynnoedd, gyda'i ffrind William Turner. Roedden nhw wedi prynu'r chwarel lechi gyntaf a agorwyd yno, ac wedi'r ymdrechion cynnar, llwyddasant i greu busnes llewyrchus iawn.","brand":"Diana Devlin","offers":[{"title":"Default Title","offer_id":51404553584953,"sku":"9781845242947","price":9.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0914\/7813\/1001\/files\/9781845242947.jpg?v=1770799315","url":"https:\/\/www.ffolio.cymru\/products\/9781845242947","provider":"ffolio.cymru","version":"1.0","type":"link"}