Grade 4

Nissan has engineered a lot of vehicles, from the Frontier truck to the electric Leaf, but perhaps its crowning achievement is the sleek GT-R. Reluctant readers can follow NissanХs history… More →

In the early 1960s, Betty and Barney Hill had a wild story to tell: they believed they were abducted by aliens! This graphic narrative tells their story, from the night of the abduction to… More →

Plato first told the tale of Atlantis centuries ago, but the legend of the lost city persists. With daring deep-sea dives, exciting archeological digs, and high-tech mapping projects,… More →

Sedimentary rocks are the only type of rocks that contain fossils! But thatХs not the only reason sedimentary rocks are important. Scientists study the rocks to learn about EarthХs history,… More →

Time for a fossil hunt! Digging through a layer of sedimentary rock, scientists uncover many relics of prehistoric Earth. Tiny trilobites prove that a vast desert was once an ocean. Huge… More →

In the middle of a quiet forest, a triceratops holds it ground against a ferocious T. rex. Who will come out on top? As the T. rex draws closer, the triceratops flashes its wide frill and… More →

China's famous terra-cotta army has at least 8,000 soldiers! More than 2,000 years ago, this army was created to protect the tomb of the ancient Chinese emperor Qin Shihuang. Today, the army… More →

The revelation of King Tutankhamun?s tomb brought fame and glory to its discoverers. But as unlucky occurrences hit the crew, people wondered if it brought something more sinister as well.… More →

Some of HollywoodХs biggest blockbusters are animated movies! From hand-drawn animation to computer-generated works, animation is a fascinating world of fantasy. But what goes into making… More →

Have you ever wanted to visit outer space? It takes a lot of work to get ready for the journey, and thereХs even more work when you get there! Find out what it takes to become an astronaut,… More →

Pakistan is a country with a rich Islamic history that plays a large role in daily life. From clothing and behavior to nationwide celebrations, the Pakistani people take great pride in their… More →

On a small farm in rural Tennessee, a mysterious spirit was tormenting a family. Quilts were pulled off beds, strange noises stomped through the house, and shoes were thrown across rooms. In… More →