He researched the novel by again conducting interviews in the field and combing through the historical record. He studied the historical context and examined eyewitness accounts, doing his utmost to be objective, to stick to confirmed facts, and thereby reveal the truth hiding beneath the dust of the years.
為了寫這本書，李喬再度展開田野調查，透過訪問和史料爬梳，還原事件發生的時、地、相關人物的證言，儘可能客觀地回到歷史，讓被塵封的真相再現。