Grade 3 - 5

Piranhas have strength in numbers. Arapaimas pack a deadly bite. Which animal is the most deadly? Action-packed text and vibrant photos combine to show off each animal's fighting strengths in More →

What does a stretch of rolling, grassy hills have in common with a flat, sandy desert? They are both plains. These landforms cover about a third of Earth's land though they can look very… More →

Did you know that the moon we see in the sky is not the only one out there? Other planets have moons, too--Saturn has 82! And did you know the weather is always stormy on Jupiter? Or what… More →

From mighty trees and tiny daisies to feathered birds and scaly fish, learn how organisms survive in their habitats. Uncover the secrets of photosynthesis, reproduction, locomotion, and meet… More →

Learn all about plants one fact at a time! Explore plants from tiny buds to towering trees--and everything in between. Along the way you'll get to know the plants that cover our world.… More →

How does water travel from a plant's roots to its leaves? What shape of seed will float best in the wind? In this title, students will conduct experiments to help them better understand… More →

They can bite, sting, and even feast on flesh. Some are deadly and others provide lifesaving cures. They can smell sweet or stink of rotting flesh! What are these crazy things? Plants, of… More →

In Plants in Winter, beginning readers follow along as plants respond to the changing season in various ways. Vibrant, full-color photos and carefully leveled text engage early readers as… More →

Plateaus stretch flat for miles and miles before dropping off with sharp sides that tower above the land around them. How do these elevated landforms take shape? Explore more about plateaus… More →

Plate tectonics shape Earth as we know it. Explore more about this important part of our planet with content tied to the curriculum of upper-elementary and middle school students and… More →

A platypus leaves its burrow and waddles towards a river. It dives down and pokes the muddy bottom with its flat bill. The platypus surfaces to eat its catch and dives again! Whether on land… More →

A massive marine reptile lifts its head from the dark water. What is this creature? It is a plesiosaur! In Plesiosaur, readers learn all about this reptile's appearance, behavior, and how it… More →