Grade 3 - 5

A long, snakelike creature moves slowly through the waters of a muddy river in the Amazon rain forest. It's an electric eel on the hunt. The hungry creature swims closer to a large piranha.… More →

Electronic Arts makes some of the most popular video games today! This title introduces readers to the history of the company, from its origins to the present day, through leveled text and… More →

The Queen is England's most recognizable symbol. Her Royal Guards stand at attention to protect London's famous Buckingham Palace. In this book, young readers will discover the landmarks,… More →

Millions of people, plants, and animals live in Europe. Europe has lots of yummy foods and wild weather. Find out all about Europe's languages, animals, plants, and… Europe is part of More →

From sniffing out hidden explosives to pulling cables through pipes, some jobs call for expert animals. These animal helpers keep us safe, solve problems, and make our lives easier. Learn all More →

Which tree weighs as much as 450 elephants and is the heaviest living thing on Earth? How can a tree have bark on its trunk that grows in rainbow colors? What is the strange red liquid that… More →

Did you know that 71 percent of Earth is covered in water? Down below, there are all sorts of unknown animals and hidden treasure. Discover totally extreme facts about what's happening below… More →

General Motors brought the first factory robot to life in 1961. The 4,000-pound assembly-line robot was named Unimate. It proved it could build cars twice as fast as humans could! In this… More →

Which mountain is more than 5 miles high? How was the mile-deep Grand Canyon formed? Where in the world can you visit a giant rock that's taller than the Chrysler Building or an entire city… More →

With promises of wealth elsewhere, Ferdinand Magellan left his homeland in search of a more fortunate life. He went on to spend three fateful years at sea. Find out about the challenges of… More →

From powering trains to amazing firework displays, fire has many different uses. It can be exciting, but it can also be dangerous. Discover everything you need to know about fire from how it… More →

From huge sharks to pet goldfish, there are thousands of amazing fish all over the world. Each type of fish is very different, but now you can find out exactly what makes a fish a… Fis More →