This book contains ten Korean letters.
A letter is a piece of writing written to convey a message to someone you cannot meet in person.
So you have to write it so that it looks like you're talking to the other person.
[Won's Mother's Letter] is famous for being a letter from a wife that was found in her husband's grave.
The love of a wife for her dead husband is clearly expressed.
[Lee Gwang-sa's Letter] is a letter filled with the love of a husband for his dead wife.
Although the wife is already dead, she seems to live on in her husband's heart.
[Park Ji-won's Letter 1] is a letter filled with the joy of having a grandson.
The joy felt at the birth of his first grandchild and the concern for his daughter-in-law are clearly expressed.
[Park Ji-won's Letter 2] is a letter filled with curiosity about the appearance of his young grandson.
The sadness of not being able to see one's grandchild because they live far away is clearly expressed.

[Jeong Yak-yong's Letter 1] is a letter teaching his son the etiquette of drinking alcohol.
The father's concern for his son is clearly expressed.
[Jeong Yak-yong's Letter 2] is a letter filled with the sorrow of losing a young son.
The sadness of not being able to see your son when he dies is clearly expressed because you live far away.
[Seo Yu-gu's Letter] is a letter praising his cousin's writing.
It contains the teaching that in order to write well, you must first read and think a lot.
[Hong Gil-ju's Letter] is a letter written to his nephew who was injured after falling from a horse.
It contains the teaching that when you think you are good at something, you should be more careful.
[Lee Hyo-seok's Letter] is a letter to a friend that honestly expresses his feelings of loneliness and frustration.
It clearly shows the feelings that cannot be expressed to others.
[Kim Yu-jeong's Letter] is a letter asking for help from a friend.
The friend who received Kim Yu-jeong's letter was the famous novelist Ahn Hoe-nam.
In the letter, his original name is written as 'An Pil-seung'.