Grade 4

ABOVE AND BEYOND: Discover how the men and women in Space Force guard Americans from computer attacks, satellite crashes, world-ending asteroids, and so much more. More →

Big Brown Bats hunt at night, using sound to find their prey in the dark! Learn all about these amazing mammals and the unusual ways they survive. More →

ALWAYS READY: Learn about the Coast Guard and the men and women who battle hurricanes, pirate gangs, pollution, and other threats at home and around the world. More →

Skunks are stinky, but did you know that smell helps them defend against danger? Or that they help get rid of insect pests? Discover lots of interesting facts about these fascinating animals. More →

Moose are more than North America’s largest deer. They survive in the harshest places where few other creatures dare to go. Discover the features and behaviors that make moose so amazing! Can More →

When the sky gets dark and a bad thunderstorm turns into something more, it’s time to take cover. Tornadoes are swirling funnels that can cause lots of damage. Check out how they form and how More →

Major storms lead to too much water on the ground, causing floods. Location matters! Predicting and preparing for floods helps people stay safe and recover from disaster. More →

White-Tailed Deer have taken over the neighborhood! Learn all about this animal’s interesting eating habits, how it has learned to live around people, and much more in this book packed with… More →

Everything around you starts shaking. It’s confusing and scary. But what is it? When tectonic plates collide, earthquakes happen. Shake it up with some safety tips. More →

Rattlesnakes are more than North America’s only snake species with a musical tail. They reduce deadly disease outbreaks and their venom fights cancer. Discover the features and behaviors that More →

Red Foxes are easy to spot, with their brightly colored fur and big bushy tails! Learn all about these mammals and how they raise their families in many different habitats. More →

ARMY STRONG! Take a first-hand look at the men and women who keep us safe by fighting on land, protecting our country against attacks, and helping out with rescue and aid after natural disasters. More →