Grade 6 - 9

It's time to explore space! Learn all about the history and science of the solar system, all the way back to the beginning of time. Detailed diagrams and in-depth text along with backmatter… More →

Tiger sharks and leopard seals are some of the fiercest predators in the ocean. What would happen if they met? Engaging text and vibrant photos put readers in front-row seats for an animal… More →

Paleontologist Luis Chiappe was searching under the hot sun in Patagonia for fossils of ancient birds when he and his team stumbled upon something even more incredible--eggshells. They found… More →

In the middle of a quiet forest, a triceratops holds it ground against a ferocious T. rex. Who will come out on top? As the T. rex draws closer, the triceratops flashes its wide frill and… More →

While almost all frogs begin their lives in the water, adult frogs make their homes in many different places. Some types of frogs remain in the water, while other kinds stay mostly on firm… More →

A low roar rumbles through the forest. A Tyrannosaurus rex is on the move! What unlucky dinosaur will be its next meal? The ferocious T. rex is famous for its long, sharp teeth. But what… More →

The Utahraptor is the official state dinosaur of Utah! This ferocious predator stomped across the earth during the Cretaceous Period. Readers of this high-interest text will learn all about… More →

Deep valleys and gorges cut across landscapes around the world. But how do they form? And how have we learned to harness power from the deep splits in the ground? Explore more about these… More →

Vampire bats are the world's smallest bats! They live off the blood of prey. Elf owls might be tiny, but they can snatch prey out of midair with their talons. In this book, these animals… More →

The velociraptor was a fierce predator. Though it stood less than 2 feet tall, it was capable of taking down much larger prey. But how did it hunt? What did it eat? This fascinating text… More →

Water supports life on Earth. Explore more about this important part of our planet with content tied to the curriculum of upper-elementary and middle school students and easy-to-understand… More →

Weather affects everyone on Earth every day. Explore more about this important aspect of life on Earth with content tied to the curriculum of upper-elementary and middle school students and… More →