Mort and his sister Shirley are exploring the woods outside Grandpa's cabin. Ignoring the old guy's warnings about the gully, they discover a secret beneath the surface. Before they know it,… More →

Each title in the Understanding Geology series introduces a different type ofrock or mineral and shows why it is a special part of our planet. Includes a support page of teaching tips for… More →

Jump into orbit around one planet in our amazing solar system: Uranus! Take a fact-filled flight to learn what makes this ice giant so special. Explore its many moons, its high-pressure… More →

Jump into orbit around one planet in our amazing solar system: Venus! Take a fact-filled flight to learn what makes Earth's closest neighbor so special. Explore its stinky atmosphere,… More →

Griff can't find his self-control. It's not under his bed. It's not in his desk. It's not even in the baseball dugout. Join Griff as he learns how to make positive changes and discovers that… More →

Do you wonder about the planet we call home? Do you know how the Sun affects Earth's atmosphere, why the wind blows, and how clouds form? In this book, learn all about weather on Earth and… More →

I Read! You Read! books are designed for shared reading between a young reader and an adult. Have you ever wanted to be a pitcher? Learn about this position and what it takes to be the best.… More →

I Read! You Read! books are designed for shared reading between a young reader and an adult. Have you ever wanted to be a quarterback? Learn about this position and what it takes to be the… More →

I Read! You Read! books are designed for shared reading between a young reader and an adult. Do you wonder about all of Earth's living things? Do you know what plants and animals are found in More →

I Read! You Read! books are designed for shared reading between a young reader and an adult. What causes a blizzard? What's a whiteout? Look inside to discover the answers and learn all about More →