Grade 4

Whitney is always whining, so how will Murph ever plan a birthday party for her that she likes? Will Whitney get the party she asks for, or is she in for a surprise? The phonemes /wh/ph/ are… More →

Nearly half a million types of plants grow on Earth. Some have flowers that smell like rotting flesh, while others have grown to some crazy large and small sizes. With so many plants on the… More →

How old is the Colosseum in Rome? How long is the Great Wall of China? Readers will find these answers and more as they learn about the location, history, architecture, and special uses of… More →

What makes gelatin so jiggly? Learn about the chemical reactions behind the process and make delicious food yourself! Vibrant, full-color photos and carefully leveled text will engage young… More →

Cough! Burp! Sniff! Our bodies make many sounds. But what do all these sounds mean? Explore the wild, wacky, and (sometimes) downright gross things our bodies do. From burps to coughs, scabs… More →

What causes fruits and vegetables to brown? Learn about the chemical reactions behind the process and make delicious food yourself! Vibrant, full-color photos and carefully leveled text will… More →

As flames rushed through the wooded hills near San Diego, California, people were forced to evacuate with what little they could take in a hurry. When the wildfire drew near, Nancy began… More →

Did you know smoke from some wildfires can be seen across the country? Or that there are special ways to build homes to prevent them from catching fire? And have you seen the latest… More →

Water is important for everyone, but it can sometimes be dangerous. From deep rapids to swirling whirlpools, learn the different parts of a river and the hidden dangers that come with it.… More →

In Wiley the Werewolf Frightens, beginning readers learn about the phonics concepts of two-syllable words and long vowel sounds in an exciting, fantastical setting. Follow along as Wiley the… More →

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In the late 1600s, Captain William Kidd attacked ships on the Indian Ocean and stole their treasure. What did he do with it? In William Kidd's Lost Treasure, early fluent readers will learn… More →