Grade 3 - 5

In this book, early fluent readers will learn how cuttlefish use colors to camouflage themselves, hunt, attract mates, and warn off predators. Vibrant, full-color photos and carefully leveled More →

The different names for poop might make you giggle, but these dirty droppings are no joke. Learn about the dangers of dung. Fun photographs and colorful illustrations make it easy to learn… More →

If you spot the bright colors of a poison dart frog, beware! These animals ooze a toxin from their skin that can kill their attackers. How did they get their name? Their venom is so deadly… More →

A porcupine warns an enemy that gets too close by raising the quills on its back and clicking its teeth. If this doesn't work, the porcupine swings its spiky tail through the air. Sharp… More →

In Deer or Elk?, beginning readers will learn to spot the differences between these mammals. Carefully leveled text relays what the animals look like and how they behave. Each page then asks… More →

What is density? How does it affect whether an object sinks or floats? In Density, beginning readers learn how particles play a role in comparing the density of different objects. Vibrant,… More →

Why is a small piece of metal heavier than a large piece of foam? Why does wood float in water? This books answers these questions as it teaches children about density in water and air. More →

In this book, early fluent readers will learn about desert biomes, the important role they play on Earth, and the climate, geology, geography, and wildlife that define them. Bright,… More →

In Desert Food Chains, early fluent readers explore the desert biome and the food chains it supports. Vibrant, full-color photos and carefully leveled text engage young readers as they… More →

The desert may not seem like a good place to live, but many plants and animals make their homes in the dry land. In fact, life in the hot sands relies on one another to stay healthy. When… More →

In Deserts, carefully leveled text and vibrant, full-color photographs take beginning readers on a tour of a desert. Readers learn about this important ecosystem and the variety of living… More →

Many of Earth's deserts are hot. But did you know they can be cold and covered in ice? In this title, developing readers will discover what makes deserts unique. Text and photos introduce the More →