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Book, 2006
Current format, Book, 2006, , No Longer Available.
Book, 2006
Current format, Book, 2006, , No Longer Available. Offered in 0 more formats
We need light and sound to see and hear all the things around us. Without them, the world would be dark and quiet. Look inside to find out how light and sound move, how shadows and sounds are made, and many more fascinating facts about these very different kinds of energy. Book jacket.
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