Grade 4

In this title, early fluent readers meet Riley, a girl who loves to swim and surf, as she learns about her respiratory system. Read along as Riley, her dad, and her doctor discuss how the… More →

The land of Primordia is in terrible danger! An evil force has turned tame dinosaurs against their human owners … and built up an army to take control of the country. Join dino-riding heroes… More →

Water floods through cities along coastlines and islands all around the world. And the rising water has already started pushing people from their homes. What on Earth is causing these rising… More →

In Rivers, early fluent readers learn about the geologic processes that create rivers around the world. Vibrant, full-color photos and carefully leveled text will engage young readers as they More →

In Road Maps and GPS, early fluent readers will learn about common map features, such as map keys and compass roses, as well as specific features of road maps and how we read them. Bright,… More →

For Roald Amundsen, a passion for adventure started early on. As a young boy he slept with the windows open even during frigid Norwegian winters to prepare himself for the life of polar… More →

The word Croatoan carved onto a post and the letters "CRO" scratched onto a tree. What do these two clues reveal about Roanoke's missing English colonists? Interested students can sort… More →

The possibilities are endless in the world of Roblox! This popular platform lets players make their own games, collect unique items, attend fun events, and connect with friends. But when did… More →

Robonauts have been built to be substitutes for astronauts. They are made to look and move much like humans so they can take over time-consuming or dangerous space work. This high-interest… More →

In Robots at Home, early fluent readers learn about the many kinds of robots built to help people in their daily lives. Vibrant, full-color photos and carefully leveled text will engage young More →

In Robots in Space, early fluent readers learn about the many ways robots have expand what's possible in the field of space exploration. Vibrant, full-color photos and carefully leveled text… More →

In Robots in the Factory, early fluent readers learn about the role robots play in manufacturing our goods. Vibrant, full-color photos and carefully leveled text will engage young readers as… More →