The GWR Stats, Castles & Kings Omnibus Edition Parts 1 & 2 by O.S. Nock is a hardback book set focusing on railwayana related to the Great Western Railway (GWR) in the United Kingdom. This comprehensive collection provides detailed information and insights into the transportation collectables associated with the GWR, making it a valuable resource for enthusiasts and collectors interested in British railway history. The themes covered in this omnibus edition offer a comprehensive look at the GWR, its famous castles and kings trains, as well as its statistical data and historical significance.