As The Lonely City, Laing’s exquisite meditation on art and loneliness, gets a 10th anniversary release, the author chooses a favourite excerpt in which they visit Warhol’s time capsules – 610 boxes filled with precious relics and Factory detritus Olivia Laing’s work to date has encompassed clear-eyed, transportive non-fiction (chasing down the ghosts of literary giants in the grip of alcoholism, blooming explorations of paradise) and fiction (her compulsive recent novel, The Silver Book,...