描述
What makes flight possible? Why can a bumblebee fly? How does a jet engine work? The answers to these and many other curiosities about flight and gravity are found in this amazing book. Activities are included to aid in comprehension.
書籍詳情
格式
電子書
頁數
24 頁
語言
英語
已出版
Jan 30, 2010
出版商
PowerKids Press
ISBN-10
1448802725
ISBN-13
9781448802722