'Don't put your trust in revolutions. They always come round again. That's why they're called revolutions. People die, and nothing changes.' For a policeman, there can be few things worse than a serial killer loose in your city. Except, perhaps, a serial killer who targets coppers, and a city on the brink of bloody revolution. For Commander Sam Vimes, it all feels horribly familiar. He s back in his own rough, tough past without even the clothes he was standing up in when the lightning struck. ...