I Wonder Why Zips Have Teeth and Other Questions About Inventions (平装)
Barbara Taylor
2003-10-30 (2003年10月1日)
出版时间：
2003年10月
出版社：
2003-10-30 (2003年10月1日)
作者：
Barbara Taylor
内容概要
This introduction to the world of inventions answers questions including: which computer was as big as a bus?, why are bears called teddies? and what did people use before fridges?
length: (cm)21.7 width:(cm)17.7
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