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 it was considered a crime to compare oneself to the emperor in any way. It was taboo to refer to the emperor by his or her given name, even for the emperor's own mother, who instead was to use "Huángdì" (皇帝), or simply "Ér" (兒/儿, "son", for male emperor). The emperor was never to be addressed as "you". Anyone who spoke to the emperor was to address him or her as "Bìxià" (陛下, the "Bottom of the Steps"), corresponding to "Your Imperial Majesty"; "Huáng Shàng" (皇上, lit. "Radiant Highness"); "Shèng Shàng" (聖上/圣上, "Holy Highness"); or "Tiānzǐ" (天子, "Son of Heaven").