Grade 4

Seventeenth-century France is crawling with bandits, werewolves, and angry swordsmen. You've got the heart, but do you have the courage and brains to survive these dangers and become a… Read More →

For centuries, people misunderstood how the heart works. As our knowledge grew, heart surgery remained a dangerous medical procedure. Even after organ transplants become common, surgeons… Read More →

A powerful sci-fi adventure with humor and heart Truly's parents are arguing all the time, so they've dropped her off with her aunt and uncle. Her cousin Kaz has a big imagination but he's… Read More →

Have you ever thought about how things are made? Somebody has to have a clever idea and then turn it into an invention. Theo loves to make new things. In this story he makes a fish catcher… Read More →

It's Stacy's turn to take care of her school's pet fish when somebody pulls a prank. The trickster dumped a complicated concoction of chemicals from the science lab into the fountain, and now Read More →

Based on the Brothers Grimm's fairy tale Six Swans, The Flight of Swans follows Ryn's journey to save her family and their kingdom. Princess Andaryn's six older brothers have always been her Read More →

In 1847 the people of Niagara Falls, New York and their neighbors in Canada wanted to build a bridge across the river that separated them. The first step was to get a line from one side to… Read More →

On the island of Koh Panyee, in a village built on stilts, there is no open space. How will a group of Thai boys play soccer? After watching the World Cup on television, a group of Thai boys Read More →

Emma can't wait for her cousin Hannah's wedding. She's going to be the flower girl. That means she'll wear a celery dress and walk down the aisle with the ring bear, leading the way for the… Read More →

Tells the story of the Wright Brothers’ invention of the airplane, climaxing in the triumphant first flight of the Flyer at Kitty Hawk, North Carolina, in 1903. Read More →

Vincent Van Gogh was a troubled soul. Yet he produced some of the most vibrant and uplifting paintings in history. The Friendly Postman is the story of the postman who brought Vincent letters Read More →

With Earth's population growing and water levels rising, city engineers will have to fit more people on less land. Learn about rooftop farms, floating cities, and other technologies that may… Read More →

New technologies such as augmented reality, brain-computer interfaces, and lifelike robots will change the way humans interact with one another and their environment. Discover the ways people Read More →

Deadly coronavirus diseases such as COVID-19 can disrupt societies. Find out how health-care professionals will fight these viruses in the future with vaccines, preventative measures, and… Read More →

Explore the future of fun! With virtual reality, augmented reality, holograms, and even digital smells, technology is already changing the world of entertainment. What other innovations will… Read More →

As Earth's human population grows, scientists and farmers must find new ways to create more food with less space. Learn about the challenges farmers face, how the meat industry may change,… Read More →

Doctors and scientists work hard to find ways to keep people healthy. Discover the innovations in medical technology that will help them in the future, from watches that track your body's… Read More →

The fossil fuels powering cars, trains, and planes are harming the environment, but scientists are creating innovative and clean transportation solutions. Explore the future of transportation Read More →

Something strange is happening in Grandpa's garden. He is very upset. What is making his vegetables stop growing? Could it be an animal? What is happening to all the lovely vegetables? Can… Read More →

This magnificent arch rises on the banks of the Mississippi River in St. Louis, Missouri. The nation's tallest monument is the centerpiece of the Jefferson National Expansion Memorial,… Read More →

A lot has changed throughout the history of the gay rights movement. In 1969, the Stonewall Riots brought light to a movement that would later establish gay pride parades and persist in the… Read More →