:57:02
From this book anyone can learn about
the aurora borealis or the Eskimos
:57:15
You can learn about Africa
:57:18
This is the story of inventions
:57:26
Here are biographies of scientists:
:57:47
The sun, the earth and the moon.
The moon goes around the earth
:57:52
When the shadow falls here,
that's an eclipse