Grade 4

Black blizzards. Toxic water. Killer smog. Deadly oil spills. In this compelling narrative nonfiction series, readers will learn about the world's worst environmental disasters. Through… More →

More than 4,000 years ago, the ancient Egyptians developed their complex and fascinating civilization. They were storytellers, artists, and builders of incredible structures. Their powerful… More →

Life in the wild forces adaptation. Predators need to hone their hunting skills or risk going hungry. Meanwhile, their prey must develop as escape artists to avoid becoming dinner. The strong More →

How have the Egyptian pyramids stood for thousands of years? How tall is the world's tallest roller coaster? Children will learn about both ancient structures and modern marvels in this… More →

Welcome to the world of venomous animals! Discover a lizard that can take down a huge water buffalo, a small spiny frog that can kill a human, a tiny black scorpion that can sicken a person… More →

Where can you find Earth's different biomes? Which biomes are the coldest, wettest, and warmest? Learn about the climate, geology, geography, wildlife, and resources of each biome in this… More →

Exploring Our Oceans presents a highinterest STEM exploration of Earth's five oceans. Each book highlights a different ocean, detailing its geology, geography, climate and weather, wildlife,… More →

Pack your bags for these adventures! This series will have you flying across the Atlantic, reaching the top of Everest, and stepping foot on the moon. Travel alongside some of the world's… More →

The animals in these books look as strange as their names sound. Enter the weird world of narwhals, aye-ayes, star-nosed moles, and others in this series. Find out how their strange… More →

How do skateboarders use physics to do flips in the air? Why are BMX racing bikes made with lightweight metal? Each book in Extreme Sports highlights a different adrenaline-packed sport and… More →

Get ready for some intense action in this sporty series! These books will allow you to explore your adventurous side from the safety of the sidelines. Learn all about these extreme sports in… More →

Prepare to be amazed! Optical illusions are tricks that our eyes and brain play on us to make us see things differently. Explore the science behind what makes them work using color, light,… More →