From the back cover of the Lion Books first edition: ""I'll do it again if I have to. If they keep coming I'll have to kill them. I will shoot them down with children in their arms. I cannot trust them, I cannot trust myself - because this is a stinking hell!" ... and hell is a city, once great and heroic, now bleak and corrupt, a place where every man is both hunter and quarry, tearing at his brother's throat like a savage dog. But he is a man he tells himself, and once he was "civilized" and so he cannot let these things alone. He cannot let the world collapse and die under this feet. So he does something: he does not want to fight, cheat, kill - but he must..."
Source · ISFDB CC BY 4.0
