The work published on May 3 and November 3, Juche 61(1972) clarifies the three principles of national reunification--independence, peaceful reunification and great national unity--and the idea of realizing the north-south cooperation.

The preface of the booklet said:

The work of the President is specially brought out to commemorate the 20th anniversary of his demise.

The President in his lifetime put forward a lot of proposals for the reunification of Korea and performed the great exploits for the cause of the Korean people for national reunification.

This work is published to convey long the immortal exploits of the President for the reunification of Korea.

A book-releasing ceremony took place at the publishing house on July 2.