There are over 25,000 different species of fish in the oceans, lakes, and rivers of the earth. Some fish even breathe air and can live on land! What is a Fish? explains: • how a fish's body… More →

The wondrously complex and diverse ecosystems found in forests around the world are made accessible to young readers in What are Forests? Intricate relationships and concepts are simplified… More →

This informative book shows young readers how and why long periods of hot weather occur, where and when heat waves happen most often, and how extreme heat can be dangerous to people and… 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 →

This title introduces the properties of liquids. Young scientists will discover what happens to a liquid when it is heated and cooled. Readers will observe, describe, and compare the… More →

Amphibian means "two lives" since these animals spend the first part of their life underwater and the rest on land. From flying tree frogs to slithering caecilians, kids will be captivated by More →

Kids will be shocked to learn that arthropods outnumber all other animal species combined! They will also be fascinated by the variety of shapes, sizes, colors, and behaviors found among… More →

As the world's largest land animals, elephants inspire awe in all of us - an awe that has led to myths of might and memory. Despite its immense strength, however, the elephant is a timid… More →

While humans are different from monkeys, apes, and lemurs, they are all primates and are similar in many ways. For example, primates make many sounds that humans make, such as sneezes, burps, More →

With over 1700 species, more than one-third of all mammals are rodents. From the jumping jerboa to the humungous capybara, What is a Rodent? gnaws through rodent myths to expose the facts… More →