Raising SteamThe number one bestselling new Discworld novel sees the Disc's first train come steaming into town. 'I could tell which of my fellow tube passengers had downloaded it to their e readers by the bouts of spontaneous laughter' Ben Aaronovitch, Guardian The Discworld is very much like our ownif our own were to consist of a flat planet balanced on the back of four elephants which stand on the back of a giant turtle, that is Change is in the air for Moist