Blastoff! Readers Level 3

The North American continent is home to animals of all sizes and appetites. There are gray squirrels hoarding acorns, blacks bears searching for berries, and American bison grazing on… More →

Much of our understanding of ancient plants and animals comes from the fossil record. Big or small, fossils offer images of life on Earth from billions of years ago! Young paleontologists… More →

The largest animal alive is a mammal. It's the 150-ton blue whale. This whale is not only large but also loud—louder than a jet engine! Turn the pages of this book to learn about the… More →

Some animals lead a double life. First, they pose as aquatic creatures, breathing through gills and using tails to maneuver underwater. Then they exchange these features for legs and lungs to More →

Members of the insect class often get a bad rap. People swat at them, stomp on them, and go to great lengths to repel them. Though some insects are pests that spread disease, many are… More →

Dinosaurs, the world's most notorious reptiles, became extinct a long time ago. However, their cold-blooded, scaly reptile relatives still creep around today. While people no longer have to… More →

Take a trip to the zoo and you'll see how distinctly different animals are. You'll see animals of all sizes and colors, animals on land and in water, and animals with fur, scales, and… More →

Compare a hummingbird and an ostrich; the differences are striking! One is tiny and hovers in the air like a helicopter. The other is massive and stays grounded, sprinting rather than flying. More →

Underwater, a large, lively community of unique animals thrives. Many of these animals belong to the fish class. There are colorful clownfish, lurking sharks, and silly sea horses. There are… More →

There are millions of asteroids in the solar system. They range in size from less than 1 mile to 584 miles across! Students will discover how asteroids form, where they are located in the… More →

People must go through difficult training to become astronauts. Kids will learn how astronauts prepare for life in space, complete their missions, and survive above the atmosphere. More →

Weighing in at more than 400 pounds, anacondas are the world’s heaviest snakes! This book explores how these massive creatures look, where they live, and the way they stalk prey. More →