Rajaa
Hakutulokset: Hakutulos
Rajaa
yksi hakutulos.
Zhang Heng and the Incredible Earthquake Detector
sidottu,
2021,
englanti,
ISBN 9781641701686
2023 BSB NSTA Best STEM Book of the Year 2023 Storytelling World Resource Award winner When thousands of people die in China's earthquakes, Emperor Shun Di does not know what to do …