Grade 4

In this book, early fluent readers will learn how cuttlefish use colors to camouflage themselves, hunt, attract mates, and warn off predators. Vibrant, full-color photos and carefully leveled More →

In this book, early fluent readers will learn about the life, accomplishments, and contributions of robotics professor Cynthia Breazeal. A Take A Look! infographic explains how Breazeal's… More →

In this book, readers will learn about the unique and defining features of Czech Republic. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn more… More →

Dad's new apartment is no fun for Chloe, Amelia, and Bryony. So, Dad turns on the radio. The weekends are suddenly spent dancing while they decorate each room. More →

Daisy Dolittle is a 10-year-old detective with a magical secret! She can talk to animals, just like her great-great-great-great-grandfather, John Dolittle. Whenever an animal needs rescuing,… More →

Dai is the world's best spy. In the spy world, he is famous for his spy skills. There is only one problem. Dai doesn't really have any spy skills. He has gotten by on nothing but luck. And… More →

In Dams, early fluent readers will learn why dams are built and how they work. Vibrant, full-color photos and carefully leveled text will engage young readers as they explore the built world… More →

Have you ever wondered what engineers do with the water of a river as they are building a dam? Sometimes, they move the entire river out of the way! And did you know there's a dam so big it… More →

This graphic narrative nonfiction series about underwater attacks will make you think twice before getting into the water. Fascinating information and amazing graphic illustrations will keep… More →

Explorers boldly venture into places that most people would never dare to go. In this hi-lo series, readers will learn about what it takes to journey into some of the most dangerous places on More →

What happens when a diver gets too comfortable with wild animals? Discover a diver's dangerous encounter with a moray eel. You'll think twice before getting too close to creatures after… More →

What dark secrets are concealed within the twisted corridors of an ancient labyrinth? Young readers will explore the mysterious tomb of Shi Huang, the first emperor of China. This underground More →