{"product_id":"9781398108721","title":"Gwent Industrial Heritage","description":"Yn ystod y Chwyldro Diwydiannol, bu newid mawr yng nghwm gorllewinol Gwent wrth iddo dyfu'n un o ardaloedd cynhyrchu haearn pwysicaf Prydain, gyda'i gronfeydd o fwyn haearn, glo a chalchfaen cyfoethog. Arweiniodd hyn at adeiladu camlesi a rhwydwaith o ffyrdd tram, ac yna reilffyrdd stêm. Cyfrol ddarluniadol gyfoethog sy'n portreadu'r etifeddiaeth hon.","brand":"Chris Barber","offers":[{"title":"Default Title","offer_id":51455671173433,"sku":"9781398108721","price":15.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0914\/7813\/1001\/files\/9781398108721.jpg?v=1770799238","url":"https:\/\/www.ffolio.cymru\/products\/9781398108721","provider":"ffolio.cymru","version":"1.0","type":"link"}