The work, published on August 4, 1997, deals with the undying feats performed by President Kim Il Sung for national reunification.

The work 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. It also clarifies tasks and ways for national reunification based on the three charters.