Earth's surface is constantly being changed by heat, water, ice, salt, plants, and animals. Sometimes the changes are destructive to human activities such as farming and the building of… More →

Science uses evidence in explaining the natural world. Using relatable, real-world examples, this informative book shows readers how to construct an argument with evidence to support a claim. More →

This book tells the story of Pteranodon. During the late Cretaceous period, between 89 and 80 million years ago, one of the largest flying reptiles to exist flew in the skies. Its large… More →

Do you have a special place where you and your friends hang out, like a club? Would you be surprised to find out that bears have a club too? Find out what bear club members have in common. More →

In this simple explanation of matter, children explore their world as they touch, taste, and change objects that surround them. More →

Welcome to Puerto Rico! Let Angel show you around where he lives. Learn about Puerto Rico's flag, animal, and flower. Find out his favorite activities too! Downloadable Teacher Notes available. More →

Read to learn more about the Pug. Take a quiz to see if you are ready to adopt a bully breed dog like this one. A fact page busts some myths about bully breeds. Also includes a page for… More →

Pulling Up explores the benefits and uses of the pulley. This clever device uses rope wound over a grooved wheel to help lift heavy loads. RobbO and RobbEE use a pulley to remove the engine… More →

Three cheers for this incredibly physical competitive sport that combines gymnastic moves with dance. Kids will learn about the basics of tumbling, dance, jumps, and stunting, or building… More →

It's Thanksgiving! Ms. Green and Spots and Stripes are at home cooking and baking for their holiday meal. Spots and Stripes have some very different ideas about what's on the menu. Will this… More →