Grade 6

Archaeopteryx first lived around 150 million years ago. This flying dinosaur is related to today's birds! Eye-catching illustrations and engaging hi/lo text draw readers into this title about More →

The Archelon was the biggest sea turtle that has ever lived! In this hi/lo title, readers will learn about the ancient turtle's body parts, favorite foods, common behaviors, and more through… More →

In the Arctic, winter lasts eight months and temperatures fall as low as -58ºF. Few animals can survive such extreme conditions. The Arctic fox, however, is unique. It lives farther north… More →

Fierce battles take place in the Arctic. Both Arctic foxes and snowy owls are sneaky predators. What would happen if these two were to clash? In this hi-lo title, reluctant readers will learn More →

Arctic wolves and polar bears are top predators. When they meet on the tundra, there will be a clash of claws! This hi/lo title explores the fighting strengths of each of these fierce animals More →

Boom! Footsteps echo through the forest. Here comes an Argentinosaurus! In this high-interest text, readers will explore the life of this enormous dinosaur, from what it ate and where it… More →

The night stalkers are some of the most elite members of the U.S. Army. Their dangerous missions frequently take them behind enemy lines. For Michael Durant, it was during one of these… More →

In the hard-fought battles of war, a special group of soldiers handles some of the toughest missions. These elite U.S. Army Rangers played a pivotal role in Normandy, France, during the… More →

Computers can now drive cars, translate live speech, and even solve real-world problems. Some of the most cutting-edge advancements have been made thanks to artificial intelligence. But just… More →

Artificial intelligence is all around us! It's in our classrooms, hospitals, and even in the smartphones in our pockets. But how does this technology work, where did it come from, and what… More →

William Hornaday admired the American bison. He wanted every American to see the beautiful animal that was once plentiful across the Great Plains. But in 1886 he made a shocking prediction.… More →

Asiatic lions dominate the Gir Forest of India. But what would happen if a Bengal tiger encroached on their territory? In this clash of big cats, readers will learn about the secret weapons… More →