I Wonder Why Zips Have Teeth and Other Questions About Inventions (平装)

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