The work, published on August 4, Juche 86 (1997), clarifies the undying exploits President Kim Il Sung performed for the cause of national reunification.

It also 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, indicating tasks and ways for accomplishing the cause of national reunification on the basis of them.