Jump into orbit around one planet in our amazing solar system: Earth! Take a fact-filled flight to learn what makes our home planet so special. Explore its watery surface, its protective… More →

Do you wonder about the planet we call home? Do you know how it formed, what lies under its surface, and how it has changed over time? In this book, learn about planet Earth and the many… More →

Do you wonder about the planet we call home and the vastness of space that surrounds it? Learn about Earth's place in the universe and the solar system. Discover the amazing systems and… More →

What causes an earthquake? What's a tsunami? Look inside to discover the answers and learn all about these earthshaking events. Each book in the Natural Disasters Where I Live series uncovers More →

Do you wonder about the planet we call home? Do you know what resources are found in Earth's crust? Can you explain the differences between the geosphere and the hydrosphere? In this book,… More →

The enormous Eastern State Penitentiary in Philadelphia, Pennsylvania, is a looming lockdown…for lost souls! Find out why this old prison makes even the toughest tremble. Dare to discover why More →

During an East Coast road trip, Nina and her dad make a wrong turn in the middle of the night. Their new route has them heading toward a historic covered bridge in Stowe, Vermont. As they… More →

Prevent the "summer slide" and keep minds active with Crabtree's Summer Backpacks. Each Gold Level Spanish backpack includes 7 items: Bilingual Welcome Letter, Two Spanish fiction books, Two More →

Do you wonder about the world around us? In this book, learn about electrical circuits and why they make a difference in our daily lives. Downloadable Teacher's Notes available. More →

Mislabeled as the King of the Jungle, African lions actually live on savannas and it's the females who do most of the hunting. Read all about the African lion's keen senses and outstanding… More →