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 of China emperor was to be referred to simply as "Huángdì Bìxià" (皇帝陛下, "Majesty|His/Her Majesty the Emperor") or "Dāngjīn Huángshàng" (當今皇上/当今皇上, "The Present Emperor Above") when spoken about in the third person. Under the Qing, the emperor was usually styled "His Imperial Majesty the Emperor of the Great Qing Dynasty, Son of Heaven, Lord of Ten Thousand Years" although this varied considerably. Generally, emperors also ruled with an era name (年號/年号). Since the adoption of era name by Emperor Wu of Han and up until the Ming dynasty, the sovereign conventionally changed the era name semi-regularly during his or her reign. During