Winner of the Man Booker Prize for Fiction in 2011Tony Webster and his clique first met Adrian Finn at school. Sex-hungry and book-hungry, they would navigate the girl-less sixth form together, trading in affectations, in-jokes, rumour and wit. Maybe Adrian was a little more serious than the others, certainly more intelligent, but they all swore to stay friends for life.

Now Tony is in middle age. He's had a career and a single marriage, a calm divorce. He's certainly never tried to hurt anyb...