Hailed by the New York Times as an ''elegant and wonderfully witty writer,'' John Lanchester received the Whitbread First Novel Award and the Betty Trask Prize for his critically acclaimed debut, The Debt to Pleasure. In Capital, it's 2008, the height of the financial crisis, and someone is sending anonymous postcards to the affluent residents of Pepys Road, London. The cards read simply, ''We want what you have,'' leaving the recipients asking, Who's behind the strange mailings, and to what lengths will they go to get what they want?