Grade 3 - 5

How do the three branches of the federal government share power? What makes state governments different from the federal government? How does local government work? Each book in My Government More →

What is that thing pumping in your chest to help you run, dance, play, and live your life? Thump-thump, thump-thump. It's your heart! With every beat, your heart pumps blood through your body More →

What happens when you take a deep breathe? Woosh! Air rushes into your lungs. Your lungs help you get the air you need to live. They work with your heart to send oxygen around your body and… More →

What do you use with every move you make? Muscles! You use muscles to do a cartwheel and lift a pencil. But they also help your heart beat, help you breathe, and work to break down food in… More →

How did people escape from Alcatraz? Is there treasure buried on Oak Island? Mysteries in History explores exciting mysteries throughout time and the different theories and explanations… More →

History is littered with odd stories of unusual events and places that can't be fully explained. What's truly happening in Area 51? What mysterious mechanisms are at work that make the… More →

Rumble! Are you hungry? After you eat a snack, you may go back to playing. But that's when your stomach really steps up. With every meal from breakfast to dinner, your stomach works to break… More →

Dive into the world of mysteries surrounding mythical creatures. From fire-breathing dragons to unicorns with healing powers, learn the legendary tales about what these animals look like, how More →

Dive into the world of mysteries surrounding mythical creatures. From towering giants to humans that turn to wolves at the full moon, learn the legendary tales about what these animals look… More →

The people of Toyton woke up to some strange things. Houses were upside down, someone put ketchup in Jean's teapot, and Clive's turkey. It was... Anyway, will Toyton solve the mystery? The… More →

Nanotechnology uses materials that are smaller than a speck of dust. These nanomaterials are used to make waterproof clothing, medical devices, and more! In this title, readers will explore… More →

In this book, early fluent readers will learn how narwhals live and survive in the ocean. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn more… More →