The work, published on Aug. 4, Juche 86 (1997), deals with undying feats performed by President Kim Il Sung in the cause of national reunification, formulates the three principles of national reunification, the 10-point programme of 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 tasks and ways for accomplishing the cause of national reunification based on them.