The work, published on August 4, Juche 86 (1997), expounds the immortal feats performed by President Kim Il Sung in the cause of national reunification. It also formulates the three principles of national reunification, the 10-point programme for the great unity of the whole nation and the proposal for founding the Democratic Federal Republic of Koryo as the three charters for national reunification and indicates the tasks and ways for realizing national reunification based on them.