As I wait at the Redditch train station, I’m tempted to pinch myself. One of the greatest writers in the world is about to pick me up and host me for lunch at the country cottage into which he and his wife have recently moved.Jim Crace carries his accolades lightly. When I met him for the first time, in Madras, he was more excited about a bird-watching expedition in Mahabalipuram than the success of his latest novel, Harvest.He loves joking at his own expense. His books are as tender as