I'm still amazed that these books have become such a phenomenon ... It's almost a study in how not to write a bestseller. They're set in this far-flung, very enigmatic place with lots of tragedy. The good guys die. I'm completely surprised.The very modest Khaled Hosseini is interviewed in The Times. His second novel A Thousand Splendid Suns has just won The Times/WHSmith Paperback of the Year.