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.
Format
Gebundene Ausgabe
Seiten
32 Seiten
Sprache
Englisch
Veröffentlicht
Jan 1, 2000
Verlag
Franklin Watts Ltd
ISBN-10
0749636327
ISBN-13
9780749636326