What is electricity? How does a circuit work? Why do batteries only work if you put them in the correct way? Find out the answers to these questions and much more. More →

What is a force? How do forces make things move--or stop? How does the force of gravity affect life on Earth? Find out the answers to these questions and much more. More →

What is light and how does it help us to see? What is reflection? How does light form shadows? Find out the answers to these questions and much more. More →

What is a magnet? Why are some materials magnetic? How does a compass work? Find out the answers to these questions and much more. More →

What are materials? What are the properties of a material and how do these vary? What is the difference between natural and human-made materials? Find out the answers to these questions and much more. More →

What are solids? How are they different from liquids and gases? How can they be changed? Find out the answers to these questions and much more. More →

This informative book teaches students basic information about the continents. They will learn the continents' names, landforms, and locations, as well as about directions on Earth, how close More →

This stimulating series offers highly readable explanations of the basic principles of human, animal, and plant genetics. This vital science has revolutionized the way we look at inheritance… More →

Early readers will be introduced to the math concept of shorting and counting items in categories. Simple text and vibrant images will engage early readers and aid comprehension. Includes a… More →

Tom and his mom usually drive to school, but they always get stuck in traffic. Follow his story and find out what happens when Tom walks to school, and why walking is so much better for our… More →