Grade 5

In the early morning of April 26, 1986, a reactor at the Chernobyl nuclear power plant became unstable, causing a huge explosion. But the disaster was only just beginning. Follow along with… More →

In this book, early fluent readers will learn how Brazilian rainbow boas get their shimmering, colorful scales and how their colors help them warn off and confuse predators and camouflage in More →

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In this book, early fluent readers will learn about the history of Ramadan and Eid al-Fitr, including when, where, and who first observed and celebrated it, its meaning, the traditions… More →

Ramps are simple machines used for work and play. Workers use them for easy loading and unloading. Skateboarders use them to do tricks. Readers will learn how ramps make work easier and how… More →

Plug in and power on! The world of gaming is at your fingertips in this high-interest series. Leveled text explores the history of video games, introduces some of today's popular titles, and… More →

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 →

All living things need to make more living things. It's how we keep our world full of birds and bees, plants and people. Whether sexual or asexual, each living thing has developed a system… More →