Science Around Me: An Introduction to Science and Technology. Series A , level 3. Display/activity book

ISBN-10
0458809659
ISBN-13
9780458809653
Series
Science Around Me
Category
Science
Language
English
Published
1987
Authors
Judith Reeves-Stevens, Garfield Reeves-Stevens

Description

Discusses regular lengths of time (based on astronomy) and describes scheduling of space travel using calendars.

Similar books