توضیحات
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.
جزئیات کتاب
فرمت
جلد سخت
صفحات
32 صفحه
زبان
انگلیسی
منتشر شده
Jan 1, 2000
ناشر
Franklin Watts Ltd
ISBN-10
0749636327
ISBN-13
9780749636326