{"product_id":"9781842855621","title":"Great Steam Trains: 5. Princess Royal \u0026 Coronation Scot","description":"Bu dadlau am flynyddoedd ynghylch pa fath o drenau y dylid eu defnyddio. Roedd rhai am barhau gyda'r trenau bychain, diflas, a fyddai angen cymorth i ddringo llethrau. Ond sylwodd eraill ar drenau pwerus a deniadol y 'Pacifics' o waith Nigel Gresley, a'u dymuniad oedd creu trenau tebyg. Ond doedd ganddyn nhw neb i'w cynllunio.","brand":"Tom Farris","offers":[{"title":"Default Title","offer_id":51695165407545,"sku":"9781842855621","price":6.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0914\/7813\/1001\/files\/9781842855621.jpg?v=1770799221","url":"https:\/\/www.ffolio.cymru\/products\/9781842855621","provider":"ffolio.cymru","version":"1.0","type":"link"}