Khaled Hosseini, author of best-selling novels “The Kite Runner” and “A Thousand Splendid Suns,” greeted more than 20 attendees who bought special tickets for a reception prior to Hosseini’s appearance at the Harker Speaker Series on Friday evening. In addition to being able to meet and chat with the author, the guests also received a personalized copy of one of Hosseini’s novels as well as admission to the main event.