What Makes a Magnet?

Why does a magnet pick up a paper clip but not a leaf or a penny? How can the whole world be a magnet? In this new addition to the Let's-Read-and-Find-Out Science series, veteran author Franklyn Branley explains the properties and behavior of magnets. The charming illustrations will entertain readers as they discover for themselves what makes a magnet. Hands-on activities include making a magnet and compass.