Everyone knows that the world is flat and supported on the backs of four elephants. But weren't there supposed to be five? Indeed there were. So where is it?When duty calls, Commander Vimes of the Ankh-Morpork constabulary answers—even if he...

Everyone knows that the world is flat, and supported on the backs of four elephants. But weren't there supposed to be five? Indeed there were. So where is it?...When duty calls. Commander Vimes of the Ankh-Morpork constabulary answers. Even when...