Grade 3

These mighty machines move big piles of material from one place to another. Some wheel loaders have a huge claw called a grapple to grab things like logs. This book explains how a wheel… More →

Was it too late to save the California condor? For thousands of years, these amazing birds soared above North America. Yet by the mid-1900s, hunting and contaminated food supplies had pushed… More →

Success in the NFL came early and often for Pittsburgh Steelers quarterback Ben Roethlisberger. In 2004, Ben was named the NFL Rookie of the Year, and the next season he became the youngest… More →

Baby sheep are able to stand and drink their mother’s milk within a few minutes of being born. Students will explore the behaviors, characteristics, and growth of these wooly creatures. More →

Watch out! You’re about to meet some of the creepiest invertebrates in the world. Some attack with a painful stinger, while others use claws filled with poison. There’s even a creature that… More →

How does a land snail move from one place to the next? The snail oozes a thick, slippery slime that it uses to slide over rough objects. Even with their special slime, however, these… More →

The Green Berets are one of the better-known special forces. Readers will learn the history of this elite force and the training and tools required to perform their dangerous missions. More →

How did the pillbug get its name? In order to defend itself from predators, this little critter can roll itself up into a tight ball the shape of a pill! The hard plates on its body work like More →

Diggers come in all sizes and can dig very deep holes. The biggest digger weighs more than one million pounds! Find out how the different parts of this machine work together to dig into the ground. More →

Discover how football’s biggest stars make an impact on and off the field in these additions to the best-selling Football Heroes Making a Differenceseries. Kids will follow their favorite… More →

Be careful the next time you go for a swim in a pond or lake. There might be a hungry leech lurking below the surface! This creature has a favorite meal—fresh blood. A leech uses the special… More →

Are you in the mood for seafood? How about trying live octopus arms? Just make sure you chew them well before you swallow—you wouldn’t want one of the suckers on the wiggling arms to get… More →