{"product_id":"9781399085489","title":"Welsh Castle Builders: The Savoyard Style","description":"Mae'n amhosibl deall datblygiad cestyll yng ngogledd Cymru heb ddeall arddull arbennig adeiladwyr Savoy o ddwyrain Ffrainc, o ble y daethant a beth oedd eu dylanwad ar hanes Lloegr a Chymru. Mae cyfrol flaengar Arnold Taylor yn archwilio cyfraniad adeiladwyr Savoy i hanes cestyll Cymru.","brand":"John Marshall","offers":[{"title":"Default Title","offer_id":51692401787193,"sku":"9781399085489","price":25.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0914\/7813\/1001\/files\/9781399085489.jpg?v=1770799310","url":"https:\/\/www.ffolio.cymru\/products\/9781399085489","provider":"ffolio.cymru","version":"1.0","type":"link"}