2. The Echo of the Mountains is the third novel of the Afghan-American writer Khalid Husseini. On May 2, 2065438 was first published in the United States, and sold more than 3 million copies in five months. It was awarded the best book in the first half of 20 13 by Amazon Bookstore in the United States, ranked first by independent bookstores in the United States, ranked first by Barnes & Noble Bookstore, and the best novel in the first half of the year was recommended by the bookstore clerk, and the best summer by National Radio.