The Barnum Effect of One Day --- pp. 10-13
2-Day Irrational Consumption --- pp. 14-17
Plants that live in the desert for three days --- pages 18-21
4-Day Wearable Robots --- pp. 22-25
Monet, the painter who painted light on the 5th day --- pp. 26-29
The Origin of Korean Words That Teach Us Six Days of History --- Pages 32-35
The Fall of Pepper, the Ultimate Luxury of the Seven Days --- pp. 36-39
How Plants Disperse Their Seeds --- Pages 40-43
Principles of Artificial Rainfall on the 9th --- pp. 44-47
10-Day Fencing Events and Competition Rules --- pp. 48-51
Reasons for getting angry on the 11th --- pp. 54-57
The Light That Became Public Nuisance on the 12th --- pp. 58-61
Fossils that tell us the age of the Earth --- pages 62-65
The Principle of a 14-Day Vacuum Cleaner --- pp. 66-69
Masters of Genre Painting: Kim Hong-do and Shin Yun-bok --- pp. 70-73
Suwon Hwaseong, a new city from the Joseon Dynasty on the 16th --- pp. 76-79
It's not that the 17th is wrong, it's just different --- pages 80-83
The volcanic eruption on the 18th --- pp. 84-87
Appropriate Technology for Protecting Humans and the Environment --- pp. 88-91
20th Picture Character, Pictogram --- pp. 92-95
Egyptian Civilization Created by the Nile River on the 21st --- pp. 98-101
22nd Regional Egoism --- pp. 102-105
Discovery of the Number Zero on the 23rd --- pp. 106-109
Tires older than the car on the 24th --- pp. 110-113
Chopin and Liszt on the 25th --- pp. 114-117

Answer and explanation
Correct Answer --- Pages 1-52

supplement
Mock Exam and Explanation --- Pages 1-32

① Includes literature and texts related to the curriculum, enabling preparation for all subjects.
- You can learn subject knowledge based on improving reading comprehension.

- You can prepare for elementary school Korean language by reading the textbook and related works in advance.

② Improve reading comprehension with texts of various genres and topics, such as novels, poetry, essays, explanatory texts, and editorials.
- You can read literary works based on the proportion of literary genres tested on the actual CSAT.

- Enjoy reading through texts that feature current issues and topics that stimulate your curiosity.

③ Improve your vocabulary through step-by-step vocabulary and grammar learning.
- Completely learn the vocabulary in the text through the stages of understanding, utilizing, and expanding meaning.

- At the end of each main lesson, you will also learn vocabulary using the Chinese characters that appear in the text.

④ Complete learning is possible through the correct answers and explanations in the form of an error note.
- It is not a simple explanation, but rather an error note-style explanation, so you can completely learn even the wrong problems.

- You can see both the problems and solutions with only the commentary provided in a separate booklet.
⑤ Various supplements provided, including mock exams and timer videos
- We provide timer videos of less than 15 minutes depending on the difficulty of the fingerprint.

- After studying each volume, you will complete your study by taking two mock exams.