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100 things to Know About History
Ages : 7 - 11 years
author of SKY SONG and RUMBLE STAR
a terrifying monster slept
聖誕節快到了，小偵探絲凱依然努力解決童話緊急事件！
The Inventor's Workshop: 10 Inventions That Changed The World Dec 2020 100 things to Know AboutJoin two curious children on a tour through ten inventions that changed the world in the debut children's book from award winning inventor Ruth Amos. Step inside the inventor's workshop to see how one creative spark leads to another until an invention is born. Find out how, when and why these ingenious breakthroughs happened, and learn about all the people who created them. Discover how Ada Lovelace's code inspired Charles Babbage's work on the first
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