To those who read this book
Preview

Part 1: A Young Scholar Who Followed a New Learning
1.
A smart child who loved to study
2.
Encounter with Silhak, a new discipline
3.
Enlightenment gained from the lives of the people
4.
Catholic teachings and unjust accusations

Part 2: Officials who practiced Silhak
5.
Suwon Hwaseong Fortress, a demonstration of the power of Silhak
6.
A trustworthy official who looks after the people
7.
A special official who practiced Silhak

Part 3: A Scholar Who Loved the People
8.
Tragedy caused by Catholicism
9.
Long exile and great achievements
10.
The legacy of a scholar who loved the people

References
Word list

This book is for foreigners studying Korean.

We've created a reading book that will help you improve your Korean skills while having fun reading.
It was created for foreigners studying in Korea, foreigners preparing for the Korean Language Proficiency Test, overseas Koreans whose primary language is not Korean, and parents and children from multicultural families learning Korean.

It's tailored to your Korean reading level.

We have rewritten widely read literary works in Korea to suit the abilities of Korean language learners.
We've adjusted the words and sentences to your reading level and explained the meanings of difficult words.
You can read without any problems even if you come across unfamiliar words.
Reading levels are divided into three levels.
You can choose a book that suits you and read it.

You can find all sentence forms in Korean.

There are 100 volumes in total.
It contains a variety of materials, including old tales, myths, classic novels, modern novels, fairy tales, poetry, essays, plays, scenarios, and letters.
You can also meet great Korean figures and aspects of Korean society today.
As you read each book, your Korean language skills will improve, allowing you to read more advanced books with ease.

You can learn Korean language and culture together.
It is designed to provide a broad understanding of Korean history and culture.
In the 50 volumes of 'Read This First ★', we have carefully selected illustrations and photos that can serve as background knowledge for the book.
The 50 volumes of 'Books to Read Later ★★' and 'Books to Read at the End ★★★' are richly filled with famous Korean figures and various aspects of Korean society.
It will serve as a foundation for a concrete understanding and further development of Korea's past, present, and future.