This interesting book describes the relationships between plants, animals, and the places in nature in which they live. More →

Curious readers will be delighted by this latest addition to Crabtree's Close-Up series! Created to support the Next Generation Science Standards, Ecosystems Close-Up investigates how plants… More →

Chickens Ed and Em are new to the farm pen. They have so much in common! What will happen when they finally meet? Fully decodable text features high-frequency words, and words with the short… More →

The animals featured in the Creepy But Cool series have special adaptations that help them survive. Some of these adaptations make them look or act truly strange. Close-up photos bring the… More →

How does a butterfly grow? Follow the journey through a butterfly's life cycle, from the time the egg is laid, through hatching as a caterpillar, to forming a cocoon and emerging as a fully… More →

How does a chicken grow? Follow the journey through a chicken's life cycle, from the time the egg is laid, through hatching as a chick to becoming a fully grown hen. More →

How does a frog grow? Follow the journey through a frog's life cycle, from the time the egg is laid, through it stage as a tadpole to becoming a fully grown frog. More →

Discover the secrets of ancient Egypt, the land of the pharaohs. Find out what's inside a mummy, how fast a chariot could race, and what weapons the Egyptian soldiers carried. Teacher's guide More →

One of the most important days of the Muslim calendar, Eid al-Adha is a celebration of Ibrahim's devotion to God. Today, Muslims mark the occasion with a feast shared with people in their… More →

Hurricanes form over warm ocean water. Liquid water becomes a gas or a solid, and then becomes a liquid again. Pollution and climate change affect water habitats. Incredible changes to water… More →