Why is Night Dark? (Usborne Pocket Science)
By Sophy Tahta.
Description
Each book in this series provides an introduction to an aspect of the natural or scientific world, here night-time, with lots of information to help answer children's questions about the world around them. They contain safe and easy experiments to help clarify explanations. - from Amzon
ISBN(s)
0746046715, 9780746046715