5KN: Traditional Nonfiction

When danger strikes, who comes to the rescue? Marines! The US Marine Corps is the first on the scene after disasters. They arrive quickly to help make the area safer and get ready for more… Read More →

Who protects us by sea? The US Navy! The navy keeps our country safe by water—and under the water too! They protect US ships and submarines when traveling. From recruit training to life at… Read More →

With three Super Bowl trophies and more than 600 National Football League wins, the Washington Commanders are one of the league’s most successful teams. Explore Washington’s history, best… Read More →

Containing 97 percent of Earth's water supply, the ocean plays a huge role in regulating global temperatures, supporting plant and animal life, and contributing to the livelihoods of millions Read More →

Anime and manga are global sensations with millions of fans around the world. Browse any bookstore or click through options on your favorite streaming service, and you are bound to find a… Read More →

Electricity powers lights, computers, and television sets. But have you seen how electricity can make objects stick together? Or make other objects pull apart? Now you can! Explore… Read More →

The sun, furnaces, and ovens all make heat. But have you ever watched matter expand when it is heated? Or seen how different kinds of matter conduct heat? Now you can! Explore heat with the… Read More →

The sun, lightbulbs, and flickering fires all bring light to our world. But have you ever watched light rays moving? Or seen how light rays reflect off objects? Now you can! Explore light… Read More →

You know that magnets hold pictures on a refrigerator. But have you ever found a magnet's north pole? Or turned an ordinary paper clip into a magnet? Now you can! Explore magnetism with the… Read More →

Are there signs of life on Mars? What is on the Martian surface? Scientists have made great strides in investigating Mars. Using rovers and orbiters, they’ve learned about the planet and how Read More →

Solids, liquids, and gases are the three states of matter. But have you ever made matter change from one state to another? Or seen how even invisible matter takes up space? Now you can!… Read More →

People, animals, machines, and wind all make sounds. But have you ever seen how sound waves move? Or made a sound wave bounce? Now you can! Explore sound with the fun experiments you'll find… Read More →

The Islamic State in Iraq and Syria, or ISIS, emerged in the Middle East during the first decade of the 2000s. The group vows to wage violent jihad, or holy war, on those who do not adhere to Read More →

If a tree is a living thing, does that mean a wooden table is alive? If a cat is alive because it can run and chase a toy, does that mean a robot is a living thing because it can move? In… Read More →

Today's kids have lived their whole lives in a world where the topic of religious belief has become a serious social issue. The media and social media are full of stereotypes and… Read More →

Take a journey to creepy places around the world … if you’re feeling brave enough. Have you ever seen a ghost? Come along on an armchair adventure to some of the world's most spooky places. Read More →

It's a big question—is there alien life in outer space? Meet the astrobiologists searching the universe to see if there's anyone else out there! Dive into the stories behind astrobiology to… Read More →

It's a big question—did a shepherd find the biggest dinosaur ever? After a shepherd in Patagonia stumbled upon a huge bone while chasing a lost sheep, paleontologists converged to unearth… Read More →

Read all about caribou and their polar home! Also called reindeer, these magnificent migrators come to life through full-color photographs and carefully leveled text. Critical thinking… Read More →