Box set featuring four different steam train documentaries. In 'Railways',the history of the British steam locomotive is traced from Stephenson's Rocket all the way up to the days of British Rail. 'Locomotives' features archive footage showing the many different uses to which steam locomotives were put. 'Working Steam' looks at the way steam was central to the Industrial Revolution and highlights its importance in the railway system. The set is completed by 'A-Z of Steam'.