We measure time in minutes, hours, days, weeks, months, seasons, years, and in historical dates. We talk about mealtimes, bedtimes, school times, holiday times, and good times. We also use… More →

Hibernation is one of nature's greatest miracles, allowing animals to sleep through periods of extreme cold (and heat). From the tundra to the desert, this ability enables animals to live in… More →

When most people think of migration, they think of birds flying south to escape the cold winter - but many other animals migrate for many different reasons. From whales and deer to… More →

Technology is the name we give to the tools that help make work easier, safer, or more fun for us to do. Learn about the basics of technology and how it improves our lives. More →

Children love horses! These powerful and exciting animals have roamed over the Earth for thousands of years. Today, there are more than 300 different breeds around the world! What is a Horse? More →

In What is a Dinosaur? kids of all ages will be enthralled by these ancient reptiles who ruled the earth for almost 180 million years! Striking, full-color illustrations highlight some of the More →

Dogs are believed to be the first animals to live with people as pets. What is a Dog? explains how these once-wild members of the animal kingdom still use their senses and instincts in daily… More →

Sharks swim the ocean looking for food. But just what makes a shark, a shark? This book explains to children the important science concept that different kinds of fish can have different body parts. More →

First readers will begin to learn and identify shapes, which are the building blocks for learning math. More →

Almost every shape can be found in nature! The sun, moon, and Earth are circles and spheres. The wings of butterflies contain triangles, the cells of honeybees are hexagons, and the hood of… More →