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21st Century Inventions (Set Of 6)

Debbie VilardiVariousTammy Gagne

出版	North Star Editions, 2018-09
主題	Juvenile Nonfiction / Science & Nature / GeneralJuvenile Nonfiction / Technology / How Things Work-Are MadeJuvenile Nonfiction / Technology / GeneralJuvenile Nonfiction / Technology / Inventions
ISBN	163517788X9781635177886
URL	http://books.google.com.hk/books?id=aNf7tAEACAAJ&hl=&source=gbs_api

註釋

Many inventions of the 21stcentury have changed the way people live their lives. This series highlights these great inventions and prompts students to see how their own lives have been changed because of them. Books provide a basic look at the technology behind each invention, discuss what people used before the product was invented, and examine the impact of the invention.