Grade 4

Since getting a job at Top Tier stables, Annie has had her mind set on just one thing: earning enough money to buy a horse of her own. When she reaches her savings goal, she bids on a horse… Read More →

This game is fun to play with your friends or your family. One person has a blindfold put over his eyes. He is turned around three times to make him giddy. He is given a rolled-up newspaper… Read More →

A winter snowfall can be beautiful. But if conditions call for dense snow, freezing temperatures, and bone-chilling wind, you are in for a dangerous blizzard. These blinding, swirling storms… Read More →

Blockchain is the powerful technology behind popular cryptocurrencies like Bitcoin. Find out how blockchain helped create these digital currencies that are not controlled by banks or… Read More →

Which animals eat the blood and guts of other creatures? Learn about some of the strangest diets in the animal kingdom through full-color photography and funny facts. Read More →

Explore how your body works through interactive augmented reality experiences! From how scabs form to why blood gushes from a big cut, these augmented reality experiences have plenty of "Oh, Read More →

Middle school is tough enough for normal humans, but when you're a vampire, it's even more challenging. Edgar rises to the occasion with wit, humor, and some help from his friends. Read More →

At the scene of a crime, an evidence marker sits next to a pool of blood while an investigator's camera catalogs the scene. Explore how blood evidence is collected, how it's tested at the… Read More →

Explore the possibility that vampires exist through historical evidence and popular theories. High-interest subject matter paired with creepy photos and illustrations will captivate readers. Read More →

Did you know that BMX street riders do awesome tricks using objects you might see in a city park? These daring athletes slide down handrails with their grinds. They bunny hop up curbs and… Read More →

Did you know that the top BMX vert riders can race up and down ramps to show off awesome stunts like no-handed 900° aerial spins? They can rotate their bikes two and a half times while… Read More →

Find out what a boa constrictor has in common with an American crocodile. Discover what sets a boa constrictor apart from a green iguana. Readers will compare and contrast key traits of boa… Read More →

The tricks, stunts, thrills, and spills of boarding add up to a culture that is addictively cool. Make sure it's on your radar! Inside you'll find these features: Star Story Read about the Read More →

In the late 19th century, there wasn't much hope for premature babies—until Dr. Couney developed the incubator. The device was so new and strange, hospitals rejected it. So Dr. Couney set up… Read More →

Do you know the difference between boats and ships? Ships are big and they can carry boats, but boats are smaller and they can't carry ships! Ships go far across the deep sea. Boats don't go… Read More →

The body repairs and renews itself again and again – in cycles. BODY CYCLES describes and illustrates three of them. First is the cycle by which the body continually repairs itself, for… Read More →

Shocking or beautiful, body decoration can make people stop and stare. Make sure it's on your radar! Inside you'll find these features: The History Bit Discover why body decoration is… Read More →

Too fat, too thin. Muffin top, flat bum, thunder thighs, spaghetti arms. From an early age, kids learn they are judged for how they look. Both boys and girls are bombarded with messages of… Read More →

Step away from the screen and learn science in the real world. Discover amazing tricks of the human body with these hands-on projects like optical illusions, involuntary movement, and balance Read More →

Bokuden was a great swordsman who liked to travel. One day, while riding a ferry, a bully started bothering the other passengers. He took the best spot on the boat and waved his sword around. Read More →

Famous 19th century composer Ludwig van Beethoven compsed hundreds of works in his lifetime, including the well-known Moonlight Sonata and Symphony No. 5 and Symphony No. 9. He remains among… Read More →

In the third book of this popular time-travel series, Mira navigates her way through World War I–era London, meeting famous suffragists and writers like Sir Arthur Conan Doyle. Instructed by… Read More →

What would you be if your finger bones grew so long that they reached your feet? You'd be a bat! What if you had no leg bones but kept your arm bones? You'd be a whale, a dolphin, or a… Read More →