Grade 6 - 9

Step back in time to when armored fish filled Earth's waters! This hi-lo title introduces the life, behaviors, and body parts of the dunkleosteus to reluctant readers through carefully… More →

It was an Earth satellite that started the space race between Russia and the United States. Russia sent Sputnik 1 into space in 1957, and the U.S. responded with Explorer 1 in 1958. In this… More →

Some animals need to move underwater or in the dark. They use echolocation to find their way! Through leveled text and action-packed photos, this hi-lo title highlights four animals with this More →

All living things on Earth call an ecosystem home. Explore more about these important parts of our planet with content tied to the curriculum of upper-elementary and middle school students… More →

As reports came in of planes crashing into the World Trade Center, heroes sprang into action. Follow two EMS workers scrambling to help survivors at Ground Zero on September 11, 2001, based… More →

What would you do if a volcano erupted? An exploding volcano could cause earthquakes, flying rocks, and air pollution. It's time to become a volcano survival expert . . . just in case. This… More →

Deep inside the earth lie undiscovered wonders that have never seen the light of day. In this title, readers will learn how bold explorers venture into the darkness of caves. Vibrant photos… More →

Mount Everest is the highest point on Earth! In this title, engaging text introduces the dangers of scaling Everest as well as how explorers prepare for the journey. Special features… More →

Unexplored mysteries lie deep in the jungles of the Amazon Rain Forest. Engaging text and vibrant photos highlight the dangers of traveling into the Amazon. Special features map the Amazon's… More →

Sand cats are amazing diggers and use their ears to hunt. Fennec foxes can survive on little water, helping them survive in the hot desert. Which desert dweller will win this battle? In this… More →

In the midst of the terrorist attacks on September 11, 2001, true heroes emerged. Follow passengers aboard United Airlines flight 93 as they fought back against hijackers who took over their… More →

Join Li Anning and her classmates in Beichuan, China, as they fight to survive an earthquake that caused their school to collapse around them. More →