For sale is a pair of David & Charles Locomotive Monographs being the two volumes of The GWR Stars, Castles and Kings, by O.S.Nock. Volume 1 is the 1969 second impression, Volume 2 the 1970 First edition Both cloth bound hardbacks with paper dustcover in a plastic and paper protective film that has caused some rippling of the dust covers. Profusely illustrated and highly detailed.