 Author Feng Congde is one of the student leader in the protest and his day-by- day diary entries, record every activity during the protest including the start of student protests in Peking University, the activities of major student leaders, important events, and unexposed stories about student organizations and their complex decision making.The content of "A Tiananmen Journal" is based on Feng's "Memo of 1989 Student Protests" (), first drafted in 1990.To ensure the details of the activities are in correct order and what he heard from others during the protests was truthful, Feng started editing his "Memo" and adding footnotes in the following eighteen years, before finally publishing them in the book, "A Tiananmen Journal".