Chapter 1: The Spring and Autumn Period and the Warring States Period

1.
The Beauty Who Doesn't Smile - 20
▶ Director Cleo's World History Magnifier: The Spring and Autumn Period and the Warring States Period: A Time of Great Progress - 40
2.
The first loser, Duke Huan of Qi - 42
▶ Director Cleo's World History Magnifier: Countries That Transformed from Barbarians into China - 62

Chapter 2: The Unified Empire of Qin

1.
Meeting Qin Shi Huang - 66
▶ Director Cleo's World History Magnifier: Qin Shi Huang, Who Unified China - 86
2.
The Fall of the Jin Dynasty - 88
▶ Curator Cleo's Magnifying Glass on World History: Qin Shi Huang's Burning of Books and Burying of Scholars - 108

Chapter 3: The Founding of the Han Dynasty

1.
Fated Rivals, Liu Bang and Xiang Yu - 112
▶ Director Cleo's World History Magnifier: Xiang Yu, the Hero Beloved by the Chinese - 138
2.
The Humiliation of Han - 140
▶ Director Cleo's World History Magnifier: The Xiongnu Empire That Ruled the World - 148

Chapter 4: Han Dynasty in Crisis

1.
The Silk Road Opens - 164
▶ Director Cleo's World History Magnifier: The Han Dynasty, the Root of China - 182
2.
The blue sky is gone, the yellow sky is opening - 184
▶ Director Cleo's Magnifying Glass on World History: The Standard of Eastern History, Sima Qian's Records of the Grand Historian - 204

Find the other parts of World History Playground! 206
Answer and Explanation 208
World History and Korean History at a Glance 209
Revisit World History Keywords 210
Search 212

1.
We've included world history knowledge that children find difficult!

World history is something we first learn in middle school history textbooks! But because they compress such a vast world history into just a few lines, textbooks can be difficult to understand.
This book tells interesting stories about major events in world history covered in middle school history textbooks.
As you journey through time with the common siblings, you'll be able to understand the seemingly enigmatic history textbooks more easily.

2.
Let's start by learning the historical terms you must remember.

Mesopotamia, Crete, cuneiform script, Persepolis? World history feels even more daunting because of the unfamiliar and difficult terms.
In this book, keywords that you absolutely must remember are emphasized and explained again, and interesting backstories are also explained in detail.
You can also learn historical terms in a playful way through 300 'Essential World History Keywords' cards selected by current history teachers.
With the common siblings' 'World History Keywords', you don't have to worry about the world history exam!

3.
Where am I? I'm no longer afraid of unfamiliar place names.

Sometimes, new place names are more frightening than historical facts! World history unfolds on a global stage, and understanding it requires understanding its location.
In this book, we have prepared a separate map so that you can easily see and confirm with your own eyes the area where the story takes place.
If you spread out a map and read a book, the historical content will sink into your head.

4.
The best experts in world history have gathered together!

The best experts have come together to create the best world history educational comics.
Teachers from the World History Division of the National History Teachers Association, who teach history to children directly at school and are concerned about conveying history in an easy and fun way, participated in the planning and selected key learning elements.
He also wrote informational articles to impart historical knowledge to children.
Additionally, the editorial staff, who have planned and written numerous elementary school history bestsellers, and veteran writers and illustrators have come together to create high-quality content, and academic experts have meticulously reviewed the content to ensure its accuracy.