The book contains 46 works, including historic treatises, letters and talks published by leader Kim Jong Il from July 1994 to November 1996.

The works comprehensively deal with ideas and theories and policies laid down by Kim Jong Il to encourage the Korean people to overcome their grief over the untimely demise of the father of the nation with thousand-fold strength and courage, advance the socialist construction and improve the party work.

The works like "Let Us Hold the Great Leader Comrade Kim Il Sung in High Esteem as Eternal President of Our Republic" and "The Great Leader Comrade Kim Il Sung Will Always Live in the Hearts of Our People and Nation and Humankind" reflect the immortal ideas and theories whereby Kim Jong Il successfully accomplished the cause of immortalizing the leader for the first time in history.

The book also contains works which call for strengthening and developing the Korean People's Army into an invincible revolutionary army faithful to the party, the leader, the country and its people.

In the works, including "Let Us Make Our Country Richer and More Powerful, True to the Intention of the Great Leader" and "Let Us Live Not Merely for Today But for Tomorrow" he clarified principled matters arising in making the socialist homeland of Juche richer and more powerful.

Also contained in the book are works calling for developing the movement of Koreans in Japan on a higher stage.