Reviews by Zhengyang1022
Earth
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This book tells about the history of Earth, and tells about the crust, mantle, and core. This book also tells about the Earth's natural features, and what they do and why they are there.
Plants
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This book describes the different kinds of plants found all over the world, and describing their history.
Currency
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This book describes all kind of currency, and how different countries used different forms of money at different periods of time.
China
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This book describes all the history between the early Imperial China to the fall of China.
Evolution
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This book describes to evolution of weapons and armor, from clubs and cloth to guns and chainmail armor.