The shortlist for the biggest literary award in the United Kingdom, the Man Booker, was announced this week, and immediately a flurry of comments burst forth — many of them expressing astonishment. Especially as, much to the disappointment of Allan Hollinghurst fans, he wasn’t on the list. Occasionally, the awards do spring an element of surprise — perhaps partly due to the increasingly eclectic mix of judges, now a robust line-up of politicians and professionals from all walks of life — not just literary buffs and publishers.