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Genes are what make you YOU With 46 illustrations and easy-to-read captions, this book explains that genes are "chemical instructions" that living things need in order to stay …
101 entertaining projects and experiments are a fast and reliable way of learning basic principles of electricity. Detailed instructions and illus.
Easy-to-follow instructions, clear illustrations for 50 safe, science-related tricks: making squares and lines disappear, creating a magical doorway out of paper, cutting glass …