Grade 3 - 5

A small insect walks across silk threads, unaware that one of the world's most dangerous spiders is hiding in a hole at the other end of one of those threads. The bug doesn't stand a chance… More →

When Howard Sharpe spotted a group of southern sea otters floating off the coast of California, he was nearly as surprised as if he had seen a dinosaur. The otters were thought to be nearly… More →

In this book, early fluent readers will learn all about garden spiders. Vivid, full-color photos and carefully leveled text engage young readers as they learn more about this arachnid's… More →

What is a gas? What are its properties, and how can it turn to a liquid? In Gases, beginning readers learn about this state of matter and how it applies to their everyday lives. Vibrant,… More →

In this book, readers will learn how 130 of the more than 3,000 minerals that exist form gemstones. Vibrant, full-color photos and carefully leveled text will engage readers as they learn… More →

Gemstones are more than just pretty rocks. These stones serve a purpose far beyond jewelry or decoration! In this book, beautiful photos and interesting text combine to create a fascinating… More →

From the constructions of genes to the coded instructions stored in DNA, living bodies can be complicated. How are traits passed from parents to offspring? And how have organisms evolved over More →

We're surrounded by a world that's too small to see. Germs are so itty bitty we can't spot them with our eyes alone, but they are truly everywhere! Learn where we can find germs, why some can More →

In Germ Theory, readers will learn about the science behind the discovery of germ theory and how diseases spread. Vibrant, full-color photos and carefully leveled text will engage readers as… More →

Giant ground sloths live up to their name. These huge mammals could stand more than 11 feet tall! In this hi/lo title, young readers explore how these animals survived during the last ice… More →

The sun is rising over the Amazon rain forest. A giant otter slides down a muddy bank into a river. Splash! Within seconds, the otter's sleek head bursts back out of the water. In its jaws is More →

In the Amazon Basin, many animals hunt fish for every meal. Sometimes, this shared diet leads to a battle! Giant otters are speedy predators, but are they a match for powerful caimans? This… More →