Triple Door (simplified Chinese: 三重门; traditional Chinese: 三重門; pinyin: Sānchóng mén) is the first novel by Chinese writer Han Han. The novel sold more than two million copies, making it one of "China’s best-selling novels of the past two decades" according to Evan Osnos in 2011. According to comprehensive disclosure and analysis by Fang Zhouzi and others, it's revealed and analyzed that "Triple Door" was written by Han Renjun, Han Han's father. Source: Wikipedia (en)