Zhang Heng and the Incredible Earthquake Detector

Zhang Heng and the Incredible Earthquake Detector

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When thousands of people die in China's earthquakes, Emperor Shun Di does not know what to do as it takes days for a city to communicate the news to the...
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Ages: 5-7
Read time: 15-30 mins
AR LEVEL: N/A
LEXILE©: AD810L
Ages: 5-7
Read time: 15-30 mins

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