The Extraordinary Life of The Last Emperor of China in Puyi's autobiography "From Emperor to Citizen", and instead focuses on disclosing untold stories of Puyi in a multi-layered fashion. The book also contains historic documents of more than 300,000 Chinese characters related to Puyi's life. In addition to old photographs, Jia also publicised many cultural relics about Puyi for the first time in his book. The relics include: Puyi's abdication decree written in the Mongolian language and Chinese issued by the Colonial Affairs Department in 1911; the preferential conditions for the Qing imperial family; the Hongxian porcelain tray customised for Yuan Shikai; letters written by Puyi to farmers and
Emperor Taizong of Tang was no longer able to protect the last late-Sui rebel ruler who alone remained standing against Tang pressure – Liang Shidu the Emperor of Liang, and in summer 628, with the Tang generals Chai Shao and Xue Wanjun () sieging the Liang capital Shuofang (in modern Yulin, Shaanxi), Liang Shidu's cousin Liang Luoren () killed Liang Shidu and surrendered, finally uniting China. With the Eastern Turkish state weakened, their vassal Xueyantuo also broke away and formed its own khanate, and Emperor Taizong entered into an alliance with Xueyantuo's leader Yinan, creating Yinan the Zhenzhupiqie Khan (or Zhenzhu Khan in short).