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 →

Plants provide people and animals with food, shelter, and even oxygen. Plants help us live and grow, but how does a plant grow? Where do plants grow? What is a Plant? introduces young readers More →

Sunlight does not go very deep into water so seaweed must grow at the surface where its rays can reach them. Starting with the sun, food chains link together plants and animals in various… 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 →

Earth has over 30 types of biomes, some of which are home to thousands of ecosystems. All of the plants and animals living in these huge natural areas depend on one another for survival.… More →

From blood-sucking vampire bats to mango-eating fruit bats, What is a Bat? tackles bat myths and teaches children… • the bat family tree • their bodies • bat communication • how they fly More →

Children continue to be fascinated by these prehisoric creatures. What is a Reptile? covers all orders of reptile from 10-foot long Komodo dragons to tiny, inch-long gecko lizards. Featured… More →