A series of twenty non-fiction science readers which engages children in the world around them. What is magnetism? What is a magnetic field? What are a magnet's poles? You can find the answers to these and other questions about magnets in Why Do Magnets Attract?

A series of twenty non-fiction science readers which engages children in the world around them. What makes up our galaxy? What is the Milky Way? What is the solar system? You can find the answers to these and other questions about the planets and stars in Why Do the Stars Shine?

A series of twenty non-fiction science readers which engages children in the world around them. Why are some clouds so dark? Why does lightning strike? What is a tornado? You can find the answers to these and other questions about weather in Why Does Thunder Clap?