Join Space Cat and her friend Dog as they compare the natural world and the world humans made. Discover how STEM skills play a role.
The story of Harriet Tubman and her role in leading slaves to freedom along the Underground Railroad is well-known. But did you know that during the Civil War Harriet would often dress in disguise to gain important information to share with the Union Army?
The American colonies had just declared independence from the British.But General George Washington knew things were not going the American’s way. When Gen. Washington needed someone to spy on the British, only one young man volunteered. That man was Nathan Hale, an early American hero.
No one expected Rose Greenhow to be a war hero. But when the American Civil War split the nation apart, this beautiful and popular hostess played an important role in the Confederate South’s most important battle victory.
Some people call him the smartest baseball player of all time. Moe Berg could speak twelve languages —and make up signs on the baseball diamond. How did this major league catcher go on to become an American spy in World War II?
He was popular with his troops. And he was such a good soldier that Benedict Arnold became a major general in the Colonial Army. So how did a Revolutionary hero become known as one of the earliest spies in U.S. history?
Where can you go to see lions, and tigers, and bears? You can go to the zoo! A trip to the zoo can be very exciting. A trip to the zoo is also a great way to learn about animal habitats in faraway places.
Do you like to collect things? Many people do. Some people collect art. Others collect objects from history. Some people collect cars or toys. You can collect just about anything! There are almost as many museums as there are things to collect. Take a trip back in time and learn more about these amazing places.
When you hear the word "playground," what do you think of? Do you picture slides and swings? Do you think of climbing walls and tunnels? Or do you picture pirate ships and space to run? Over the years, playgrounds have changed in many ways. But they have always been a place where children can enjoy themselves and learn important lessons about safety and getting along with others. Discover how playgrounds came to be and how they have changed over the years.
Today's amusement parks are filled with amazing, high-tech rides. Some even take the fun to the water! Amusement parks of the past were exciting places as well. Amusement parks have been around for hundreds of years. Readers discover the history of these fun-filled places!
Millions of years ago there was a dinosaur on Earth called Brachiosaurus. One Brachiosaurus weighed as much as 17 elephants! Can you imagine how big some dinosaurs must have been? In this book, readers explore a world where dinosaurs roam. And learn fascinating facts about dinos along the way.
Have you ever wondered what the coldest place on Earth is like? Antarctica is a large ice-covered continent at the southernmost point on the planet. Readers will explore this icy land and learn about the various types of glaciers and icebergs.
Volcanoes are more than just fiery mountains spewing smoke and ash into the air. In this book readers will get a close-up look when these majestic mountains blow their tops. Readers learn about magma and lava flow, and how volcanoes form.
All the parking has been checked for the day. It’s time for Pam to head home. But when something goes wrong, will Pam be stuck on the freeway or will she get help getting back on the right road home?
When the field isn’t ready for the big game, will Lawni be ready to pitch in to help the big machines complete the job?
Hitch spends every day moving big planes from around the world into place at the airport. Will his desire to see the world be fulfilled or will Hitch be left to his imagination?
All the Big Trucks stay busy with important work. Bobbi just wants to help, but she is too small for the heavy lifting. With her self-esteem at a low point, will Bobbi discover the important role she plays every day?
It may be a parent's dream, but imagine life without the internet or world wide web. Would airlines be able to fly? Would our nation's security be at risk? What can be done to safeguard the internet?
It seems they're everywhere. But scientists believe bees are at risk of survival. What has put bees at risk and should we care? Imagine a world without these important pollinators and you'll see a world with fewer and fewer critical food sources.
Empires have been built from it, Wars have been fought for it. Imagine a world without oil. What alternatives do we have in a future with limited oil and other fossil fuels?
Look around. Plastic is everywhere. But some experts say today's plastic will be in our landfills for thousands of years to come. Imagine a world without plastic, in some communities, it's a new reality. Explore the good and the bad of plastic in our lives.
School’s not cool for Liam and Ling. But when they try to find others to play with, they learn that work has its own rewards. And following rules is cool after all.
Helen and Ethan have a big surprise planned for Roy. Will he learn that manners matter? Young readers will learn that being pushy and rude can lead to not-so-fun surprises!
Whether it’s raising money for a charity or cleaning up a park, getting involved in your community is a great way to help others and feel good about yourself.
In communities large and small, we find goods and services. But we also find places for fun and enjoyment to keep us happy and healthy.
