An unconventional memoir of a friendshipAntigona,' I said. 'How would you feel if I wrote your life down in a book?' 'Good,' she said at once. 'Good. And then a feature film, actually. Mini-series.' One morning in London, two neighbours start to chat over the heads of their children. Kate Clanchy is a writer, privileged and sheltered, Antigona is a refugee from Kosovo. On instinct, Kate offers Antigona a job as a nanny, and Antigona, equally shrewdly,...