Khaled Hosseini is an Afghan-American novelist and physician. He is best known for his novel The Kite Runner, published in 2003, which sold over 12 million copies worldwide. Hosseini received his medical degree from the University of California, San Diego. The Kite Runner tells the story of Amir and Hassan, childhood friends in Kabul, and the hardships they endure growing up in Afghanistan. Assef, one of the main antagonists, is portrayed as pure evil in the novel.