Capybaras are the biggest rodents in the world! These social animals live in large groups and spend lots of time in water. Get all the facts on these huge rodents.

Dung beetles are the world’s strongest animals. They are famous for rolling animal poop around. Their gross job is important to the world. Find out more facts about these strong insects.

Simple text and full-color photographs describe the planets.

Learn about how a pulley works! Beginner readers and budding young scientists will love learning about using simple machines in everyday situations. Along the way, readers will be supported by expertly leveled text, a strong text-photo match and appropriate text load. Readers will be excited to dig in and learn all about simple machines and basic physics concepts.

In spring, young animals are born. Some animals wake up from long winter slumbers. Others migrate from winter homes to summer homes. See how animals come to life in the spring season.

Some animals' fur turns white. Other animals hibernate. Winter is here! Celebrate the season with lovely photos and a simple design that beautifully support early readers.

The weather is windy today. Do you know what to do? Come explore the weather today and learn what to do on a windy day.

Strap on your shoes and join Mr. Andre's class on a nature hike! They're out to discover if their class pet, Jojo the gecko, has any traits in common with the plants and animals they see. After watching for patterns in nature, Mr. Andre's students realize that plants, animals, and even humans are different, but they have many things in common!

Who is this book about? It's a mystery! One burrow-digging zoo animal gives you clues about its life, its home, and its young. Can you solve this masked mob mystery?

Say cheese! Good dental hygiene is an important way to stay healthy. With engaging text and colorful photos, readers learn good habits for heathy teeth. Care for Your Teeth includes a glossary, read more section, kid-friendly internet sites, and an index.

We watch videos on our smartphones and tablets. We read books on E-readers. Devices with screens are part of our everyday lives. But too much time on these devices can be unhealthy. Engaging text and colorful photos explain how to cut the screen time. Limit Screen Time includes a glossary, read more section, kid-friendly internet sites, and an index.

Whether you like bedtime or not, sleep is important. But why do we need to sleep? And what happens while we sleep? These questions and more will be answered in Rest Your Body, which also includes informative text, bright photos, a glossary, a read more section, kid-friendly Internet sites, and an index.