Grade 4

The Hubble Space Telescope is a lens for discovering the hidden secrets of outer space. The tool has zoomed in on unknown galaxies! This book gives young readers a close-up of the Hubble… More →

It’s rare to find a passionate sports fan without an ESPN subscription. ESPN is one of the top sports coverage suppliers in the world! It gives special access for viewing college sports,… More →

Two thousand years ago, Italy was known for its spectacles. Rome’s famous Colosseum hosted epic sports contests and gladiator fights. In this book, Italy is on display to engage fluent young… More →

Russia is a rare transcontinental country, with its small western part belonging to Europe and its large eastern part belonging to Asia. The dividing line is the Ural Mountains. Fluent… More →

Robonauts have been built to be substitutes for astronauts. They are made to look and move much like humans so they can take over time-consuming or dangerous space work. This high-interest… More →

Pikachu could be called the mascots of the Pokémon brand, as the short, yellow furballs are the most recognizable of hundreds of characters. This book for growing readers tracks the birth of… More →

According to Mattel, eight Hot Wheels are sold every second. So what is the secret behind the toy cars’ appeal? In this biography of a brand, growing readers will learn why the production of… More →

Every great animal predator has a secret weapon. The crocodile opens toothy jaws. The harpy eagle grabs and crushes prey with strong talons. The boa constrictor uses its body to coil and… More →

Do you know why a Dodge Challenger SRT Hellcat comes with two car keys, one red and one black? Well, the black key is used when the full 707 horsepower would be too much to handle. Curious… More →

The Ford Mustang Shelby GT350 was named for its creator, Carroll Shelby. This American racecar driver of the 1950s designed this Ford model to maximize speed and power on the track. This… More →

From the start, American Girl has cared about representing diversity with its dolls. Its original young girl dolls—Samantha, Kirsten, and Molly—were introduced at a time when it was difficult More →

Venus flytraps, pitcher plants, and sundews are all examples of nature's insect traps. They use their sugary nectar to lure prey to them, before each carries out a unique killer plan of… More →