Intermediate

Born a slave near the end of the Civil War, George Washington Carver was a small and sickly child. Too frail to work in the fields of the Missouri farm where he grew up, George did chores… Read More →

In 1789, when George Washington took office as the nation's first president, the United States was an experiment that could easily fail. Only a few years earlier, the fledgling democracy had… Read More →

Beneath the earth is a treasure trove of heat energy, but how can it help us power our lives? Discover the answer to this critical question and find out how sustainability is being achieved… Read More →

In the aftermath of the Watergate scandal, then Vice President Gerald Ford became the first person to succeed a president who had resigned from office. Although Ford’s presidency lasted only… Read More →

German shepherds are loyal and brave. Readers will learn all about this dog breed and what it's like to have one for a pet in this high-interest title. Read More →

Pack your bags! We’re headed to Germany. On this whirlwind tour, you’ll learn all about the country’s landscape, culture, people, and more. We’ll explore Germany’s Bavarian Alps, visit the… Read More →

Growing up in the 1830s, Louis Pasteur saw the horrifying effects of diseases like rabies and tuberculosis. Filled with curiosity and imagination, Pasteur began a lifelong search for answers… Read More →

Look out—this book is FULL of germs! Have you ever seen a germ up close? Really, really close? Zoom in on a variety of viruses, bacteria, protozoa, and fungi that can make people… Read More →

Since prehistoric times, people have wondered what causes disease. Early people blamed evil spirits. Later, disease was thought to be caused by an imbalance of bodily fluids. By trial and… Read More →

Have you heard that businesses don't hire anyone younger than sixteen? Good news: that's not true! You can start working at some companies as soon as you turn fourteen. That's two whole extra Read More →

Do you enjoy lending a helping hand to people in your community? What if you could combine your interest in serving others with earning money, even before you turn sixteen? Good news: You can Read More →

Do you enjoy using your creativity to make something new? What if you could turn those skills into cash? Good news: You can go into business making and selling items that people want—from… Read More →

Most substances on Earth are mixtures of different molecules. The way these molecules react to each other causes all sorts of everyday mixtures and solutions, from butter to plastic to soap!… Read More →

Do you want to do something exciting with your summer? What if you could earn money at the same time—even before you turn sixteen? Good news: You can get a summer job that's thrilling and… Read More →

Minerva has been raised by her single mother after her father left them. On her 17th birthday, she is shocked to discover that he has been trying to keep in touch, and that her mother has… Read More →

What does it mean to be elected to political office? It means you get to decide how to make a town, a state, or even the whole country a better place to live. But how does someone get… Read More →

How many places do people go in a day? People are always on the go between school, work, shopping, and activities. But how we go can be just as important as where we go. Learn about different Read More →

Bailey and her brother, Blake, are traveling to their dad's house when aliens attack earth. After their bus breaks down, it's up to Bailey to get them home—but first she must figure out where Read More →

Do you know....Why your body needs so much sleep? How much sleep you should get each night? How to get ready for bed? Read More →