Intermediate

From a president's veto to a Supreme Court decision on a law, learn all about checks and balances in the US government and how they help the US stay a democracy. Read More →

Have you ever wondered how electricity powers your home or school? What about how that electricity travels? In any device that uses electricity, inside is a small path called a circuit… Read More →

Did you know that trees, buildings, and even people can act as conductors for electricity? Or have you ever wondered why we're warned not to go outside during a thunderstorm? Scientists,… Read More →

Brrr! Coyote is always cold! That’s because it’s winter all year long. But Old Woman has something amazing called summer. It’s tied up in a little bag in her tipi. Coyote and his friends… Read More →

In the early 1800s, many black slaves in the southern states began to risk their lives to gain freedom in the North. They escaped from plantations with no money to buy food and no maps to… Read More →

On a cold evening in December 1773, a group of men climbed aboard three ships docked in Boston Harbor. Armed with hatchets, the men began breaking into the ships’ valuable cargo—342 crates of Read More →

Readers discover fish ladders and "salmon cannons" in the U.S. Pacific Northwest, rope swings for monkeys in China, colorful crab bridges in Australia, and roadway overpasses in Canada's… Read More →

Celebrate the very special bonds of love between a mother and her child in this tender tale. As a young boy gets ready for bed the night before the first day of school he talks to his mother… Read More →

From paramammals to dimetrodon, this book reveals amazing facts about the creatures that existed before the very first dinosaurs arrived. With amazing images and jaw-dropping facts, learn all Read More →

Artist and storyteller E. J. Bird describes the habits of hibernating bears in this endearing rhymed picture book. Children will wonder along with the author if bears dream, how bears stay… Read More →

Big rigs have powerful engines and lots of wheels. But do you know how much weight these trucks can pull? Or how drivers stop these giant vehicles? Young readers will love this in-depth yet… Read More →

The Internet connects computers across the world. You may have used it to surf the web or e-mail your friends. But how does it work? How can it send information around the globe? Read this… Read More →

How Does Your Brain Work? is a fantastic introduction to the science behind what goes on in your head. The brain, nervous system and senses are explained through hilarious, colorful… Read More →

Fire trucks have loud sirens and flashing lights. They race to fires to keep people and property safe. But what are some different kinds of fire trucks? And what special equipment do they use Read More →

Formula One race cars are fast and sleek. They zoom around the racetrack. But how do these cars go so fast? And how do drivers stay safe? This title offers an exciting look at Formula One… Read More →

Would you want to swoop through the air like a bird? Riding a hang glider is a fun way to fly. But a hang glider has no motor. How does the pilot take off? How does the hang glider stay in… Read More →

Helicopters can take off from almost anywhere and change directions quickly. They can even hover. But how do they stay in the air? And how do pilots control these special aircraft? Read this… Read More →

Hot air balloons are huge and colorful. They're lots of fun to watch. But how do they fly? And how do people control where the hot air balloon goes? Read this book to find out! Read More →

Giving a speech doesn't have to be scary. Find out how to confidently give a speech and learn an amazing skill for life in this fun, friendly, and easy-to-follow guide. Full of great tips,… Read More →

Having to sit still and listen is not the most boring thing ever! Find out how to be an active listener and learn an amazing skill for life in this fun, friendly, and easy-to-follow guide.… Read More →

A student's social media shouldn't be stressful! Find out how to manage what’s online and learn an amazing, social-savvy, network-navigating skill for life in this fun, friendly, and… Read More →

For the student who needs a hand getting their homework, project, or dream started, this fun, friendly, and easy-to-follow guide is full of tips, tricks, and strategies. Readers will be top… Read More →

Researching doesn't have to be an intimidating process. Learn an amazing, fact-finding, super-sleuth skill for life in this fun, friendly, and easy-to-follow guide. Full of great tips,… Read More →