Follow the trade route to the Middle Ages and witness the expansion of trade and commerce, made possible by the advancements in shipbuilding. Your Guide to Trade in the Middle Ages explores… More →

What is blood made of? Is it always red? How does blood reach your toes and travel back to the heart again? Your Hardworking Heart and Spectacular Circulatory System takes readers on an… More →

Wherever you live, you share your environment with other people, plants, and animals. Your Local Environment looks at the importance of caring for the world around you, making it a better… More →

How are memories formed? How do we learn? How does your brain control your body functions? Your Mind-Bending Brain and Networking Nervous System takes readers on an entertaining tour of the… More →

This innovative series is designed to empower readers with the key knowledge and skills that are essential for making positive contributions as engaged, digital citizens. Designed to support… More →

The Your Start-Up Starts Now! series explores the traits, skills, and values associated with achieving success in the world of entrepreneurship. Supporting entrepreneurship literacy and… More →

What are bones made of? Which is the biggest and which is the smallest? What different types of muscle are there, and what jobs do they do? Your Strong Skeleton and Amazing Muscular System… More →

A competitive swimmer in Syria, Yusra Mardini never let go of her Olympic dream, even when civil war made it too difficult to train in her country. In 2016, she was allowed to compete in the… More →

Most people came to know Zac Efron as Troy Bolton, the star athlete with hidden musical talents in the High School Musical movies. Today, Efron's talents as an award-winning actor and singer… More →

Born at a time when the American Revolutionary War was raging, Zebulon Pike grew up to lead expeditions west to find the sources of the Mississippi, Arkansas, and Red Rivers. Find out how his More →