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Tennis

Patricia Bow

出版	Hachette Children's Group, 2013
主題	Juvenile Nonfiction / Science & Nature / GeneralJuvenile Nonfiction / Sports & Recreation / General
ISBN	14451235689781445123561
URL	http://books.google.com.hk/books?id=uuK1lwEACAAJ&hl=&source=gbs_api

註釋

"Did you know that tennis balls are fluffy to make them spin more in the air? Or that the latest technology will make it easier to tell whether a ball is 'in' or 'out'? Learn more about balls, rackets and courts in this look at the science behind one of the most popular spectator sport."--Back cover.