Great Western Railway Stars, Castles and Kings examines the history and workings of these legendary classes of passenger steam locomotives, the first of which, the North Star, was built in 1906. Richly illustrated with over 200 photographs, the book includes illustrated explanations of how Great Western Railway steam engines work; details of the engines' work on named expresses and in ordinary service; overview of the survivors, heritage organizations and their futures; technical specifications and timelines of each class and finally, GWR and British Rail Motive Power Depot codes and train head codes.