Light and Dark (Young Explorer: My World Of Science)
By Angela Royston.
Description
What is light? Where does light come from? What is a shadow? Learn how we see light and dark, where they come from, and how people use light and dark in everyday life. Each book in the `My World of Science' series explains science that you see in the world around you and use every day. - from Amzon
ISBN(s)
1406262234, 9781406262230