{"product_id":"9781785620218","title":"Cyfres a Wyddoch chi: A Wyddoch Chi am Gestyll Cymru?","description":"Ffeithiau diddorol, anghyffredin ac anhygoel am gestyll Cymru. Tŵr pa gastell sy'n gwyro mwy na thŵr enwog Pisa? Pa gastell oedd yr un cyntaf i gael ei godi o garreg gan dywysog Cymreig? Mae'r atebion i gyd, a llawer mwy, rhwng cloriau'r llyfr lliwgar hwn.","brand":"Catrin Stevens","offers":[{"title":"Default Title","offer_id":51424996524345,"sku":"9781785620218","price":6.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0914\/7813\/1001\/files\/9781785620218.jpg?v=1770799237","url":"https:\/\/www.ffolio.cymru\/products\/9781785620218","provider":"ffolio.cymru","version":"1.0","type":"link"}