Do It Yourself' offers an exciting new approach to understanding and investigation. Each book helps readers conduct their own experiments and activities to learn more about the world around them.
This is Book 13 in the Do it Yourself Series. See all Do it Yourself books here.
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Carol Ballard is a full-time author after spending the last 15 years as a science teacher. She now writes and consults on a wide range of scientific topics.
More about Carol Ballard
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