Grade 6

Hidden deep in America's mountains, forests, and deserts are some of the most amazing animals on the planet. Unfortunately, few people have ever been able to see them--until now. In America's More →

Get ready to enter the wet and wild world of amphibiana! Here, children will discover some of the slimiest creatures that ever lived on land and in water. From jumping frogs that leap more… More →

Our modern world still benefits from the work of ancient civilizations! Everything from how we communicate to what we eat is based on the discoveries of ancient people. This fascinating… More →

Throughout history, there have been different civilizations that dominated the world they lived in. Explore the growth and development of key ancient civilizations, including important… More →

Explore the waters of the ancient world in this hi-lo series for reluctant readers! Readers will discover giant turtles, enormous sharks, and more through engaging text and colorful… More →

Get too close to their young, invade their home, or burst their personal bubble, and you give a wild animal reason to attack. Though most wild animals aren't looking for trouble, they will… More →

It's an all-out brawl between some of nature's top predators in this high-interest series! Venture deep into the rain forest and to the bottom of the ocean to learn about some of the world's More →

Animals may be smarter than you think! Follow the true story of animal masterminds showing their supersmarts. Bright graphic illustrations paired with nonfiction content bring vibrancy to… More →

Just when you thought you'd seen every kind of animal, along comes a series featuring creatures that seem too unbelievable to be real--Animals with Super Powers. From eels with an electric… More →

Pets come in all shapes and sizes, and this series proves it! Each engaging title explores the personalities and behaviors of unique pets from around the globe. The books introduce readers to More →

When acid rain falls from the sky and piles of plastic overflow into the streets, how will we survive? Follow the narrative of children in the not-too-distant future dealing with a planet in… More →

The Armed Forces of the United States are dedicated to the defense and aid of the United States and allies around the world. In this series, readers can explore five of the branches that… More →