설명
How did people measure time before there were any clocks? Who invented our calendar? What are time zones? What is jet lag? These questions and many others are answered in this book.
책 세부 정보
형식
하드커버
페이지
32 페이지
언어
영어
출판됨
Jan 1, 2000
출판사
Franklin Watts Ltd
ISBN-10
0749636327
ISBN-13
9780749636326