Grade 4

Red foxes and fishers are well adapted to hunting in the North American woodlands. If these two predators fought, would the red fox's stealthy ambush claim victory? Or would the fisher's… More →

In Reference Maps, early fluent readers will learn about common map features, such as map keys and compass roses, as well as specific features and the many kinds of reference maps. Bright,… More →

In Refrigerators, early fluent readers learn about the science, engineering, and technology behind refrigerators. Vibrant, full-color photos and carefully leveled text engage young readers as More →

From fixing broken limbs to fixing broken hearts, only a handful of animals share the rare superpower of regeneration. This hi-lo book introduces animals that have adapted to regrow or repair More →

How many regions does the United States have? Which region has the most populated city in the entire country? Readers will find these answers and more as they learn about the location,… More →

When disasters strike, people aren't the only ones in danger. Tornadoes, hurricanes, fires, and more also threaten the lives of animals. In this graphic narrative nonfiction series, readers… More →

In this book, readers will learn how to identify conflicts, address individual mistakes, and work together to resolve disagreements and problems within a group setting or project. Social and… More →

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In this book, early fluent readers will explore the role of the respiratory system in a healthy, functioning body. Vibrant, full-color photos and carefully leveled text will engage young… More →

Retail workers help us all the time. Find out what else they do. The grapheme /e/ is featured in this… Retail is part of Decodables by Jump!, a comprehensive library of decodable leve More →

Gray wolves were predators that dominated the North American landscape hundreds of years ago. But when Mike Philips and Doug Smith relocated 14 wolves to Yellowstone in 1995, it was the first More →

Known as the Ultimate Underdog, the high-flying Rey Mysterio has been a fan favorite since his debut. Trained in Mexican lucha libre wrestling, Mysterio makes up for his small size with… More →