What causes a tornado? What's a supercell? Look inside to discover the answers and learn all about these terrible twisters. Each book in the Natural Disasters Where I Live series uncovers the More →

Do you wonder about the world around us? In this book, learn how electricity changes into other forms of energy and makes a difference in our daily lives. Downloadable Teacher's Notes available. More →

Join the car mania! It's time to shift gears and zoom into the totally unique world of tuner cars. Learn what it means to tune a car, common ways that cars are customized, and the difference… More →

This Decodable Reader story is about Turbo the turtle loves to surf the ocean current with his friends. Learn about his adventures as you practice reading words with "ur." A key feature of… More →

Tracy has always been a little strange. When she tells her school she's seeing UFOs, people think she's lost her mind. Tracy can see the otherworldly spacecraft, so why can't anyone else?… More →

Many parents and caregivers would like to support their child with school, but do not have the tools. Helping My Child: A Guide to Supporting Reading provides information about the Science of More →

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 →