Grade 6 - 9

The ground shook and buildings tumbled. San Francisco was struck by a violent earthquake during the early morning of April 18, 1906. Follow along with the true story of a city shaken into… 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 →

Dig into geology with this curricular high-interest, low-reading level series. An engaging exploration of rocks, minerals, and fossils will keep struggling readers interested while… More →

Explore Earth with this curricular high-interest, low-reading level series about landforms! An approachable look at Earth's most common landforms keeps struggling readers engaged while… More →

Explore the planet with this curricular high-interest, low-reading level series! An approachable look at Earth's unique characteristics keeps struggling readers engaged while carefully… More →

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

If you look up at the sky, you may spot the sun or the moon. These space objects are far away, but they still affect life on Earth. Explore Earth, the sun, and the moon with content tied to… 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 →

Meet a new kind of working dog: the eco dog! These heroic hounds team up with wildlife scientists to help save endangered animals and habitats all over the world. Using their super sense of… 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 →

Climbing to the top of the world is no small feat. For Edmund Hillary and his partner, reaching the top of Mount Everest took dedication, patience, and a whole lot of guts. With little oxygen More →

Schools and libraries are places for knowledge. But what if they contain something even scarier than homework and tests? Travel around the country, visiting real schools and libraries with… More →