In this book, early fluent readers will learn why English ivy is considered an invasive species, how it has established itself in and impacted new ecosystems, and what scientists are doing to More →
Grade 3 - 5
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 →
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 →
The ocean reaches depths that even the sun cannot reach. Yet people still journey into the dark! In this title about exploring the deep sea, engaging text and vibrant photos show readers what More →
Meet the fossil hunters who dig for dinosaurs in the freezing cold, windswept mountains of Antarctica. Each title in this new series digs deep into one fascinating area of the Dinosphere. The More →
Which tree weighs as much as 450 elephants and is the heaviest living thing on Earth? How can a tree have bark on its trunk that grows in rainbow colors? What is the strange red liquid that… More →
Did you know that 71 percent of Earth is covered in water? Down below, there are all sorts of unknown animals and hidden treasure. Discover totally extreme facts about what's happening below… More →
A skunk sprays a smelly musk on its enemies that can sting their eyes or make them sick. Pe-yew! But skunks don't always need to make a stink to keep enemies away. Their unique… More →
