Grades 3 - 7

Iceland is known as “the land of fire and ice.” This is because the island has around 200 volcanoes and about a tenth of its area is covered with glaciers. The colors of the national flag… More →

Compare a hummingbird and an ostrich; the differences are striking! One is tiny and hovers in the air like a helicopter. The other is massive and stays grounded, sprinting rather than flying. More →

Some animals lead a double life. First, they pose as aquatic creatures, breathing through gills and using tails to maneuver underwater. Then they exchange these features for legs and lungs to More →

Sometimes danger creeps at your feet, especially in the case of snakes. Many are completely harmless, but others can deliver a lethal bite or suffocating squeeze. Once a slithering serpent… More →

As a country of 17,000 islands, Indonesia is truly unique. It's fitting that many rare animals make their homes in Indonesia. The venomous Komodo dragon, one of the deadliest animals in the… More →

Dinosaurs, the world's most notorious reptiles, became extinct a long time ago. However, their cold-blooded, scaly reptile relatives still creep around today. While people no longer have to… More →

Most people in the Netherlands ride bicycles to get to work, enjoy the landscape, and for sport. They look forward to spring when they can pedal past world-famous tulip fields in full bloom.… More →

Underwater, a large, lively community of unique animals thrives. Many of these animals belong to the fish class. There are colorful clownfish, lurking sharks, and silly sea horses. There are… More →

Trespassing in mountain lion habitat is a dangerous idea. Mountain lions do not share their territory, and they will not hesitate to stalk, pounce, and bite to defend it. Read about people… More →

After decades of war, South Sudan became an independent country in 2011. Though its people face struggles as they build their new nation, they do have reason for national pride. Their country More →

Members of the insect class often get a bad rap. People swat at them, stomp on them, and go to great lengths to repel them. Though some insects are pests that spread disease, many are… More →

The largest animal alive is a mammal. It's the 150-ton blue whale. This whale is not only large but also loud—louder than a jet engine! Turn the pages of this book to learn about the… More →