书籍详情
格式
平装书
页数
17
语言
英语
已发布
Jan 1, 1990
描述
Part of the Concept Science Series, designed to help children understand basic science in the world around them. Other books in this series are Ideas About Space, Looking into the Night Sky, Time, Our Solar System, and The Universe.
类型
儿童
科学与技术