Description
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.
Détails du livre
Format
Relié
Pages
32 pages
Langue
Anglais
Publié
Jan 1, 2000
Éditeur
Franklin Watts Ltd
ISBN-10
0749636327
ISBN-13
9780749636326