It's a Battlefield

(1934)
A novel by
Graham Greene
In this portrait of the murkier areas of London, Drover, a communist
bus-driver, has been sentenced to death for killing a policeman in a political
riot because he thought the policeman was going to strike his wife. A bitter
irony hovers over the ensuing battles to save Drover.
Š http://www.fantasticfiction.co.uk/g/graham-greene/its-battlefield.htm