{"product_id":"9780857332714","title":"GWR\/BR (WR) Castle Class Manual: A guide to the history and operation of one of Britain's most successful express passenger steam locomotive types","description":"\u003cp\u003eThe Great Western Railway 4073 Class, or Castle Class locomotives were the pride of the GWR when introduced in the mid-1920s, and were heralded as Britain's most-powerful express passenger locomotives. 171 Castles were built or converted between 1923 and 1950, and eight preserved examples survive today.\u003c\/p\u003e","brand":"Haynes Publications, Inc.","offers":[{"title":"Default Title","offer_id":47027262390512,"sku":"9780857332714","price":36.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9780857332714_p0.jpg?v=1763835659","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9780857332714","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}