Grade 4

Look closely at the ten most amazing insects and spiders that buzz, dart, and hang out all over the world. Beware of those bites and stings as you encounter: ● a hornet that will chase… Read More →

Some look like dog vomit. Others pretend to be mushrooms. There's even one that grows in the shape of a pretzel. They are creepy, crawly, colorful slime molds and they are living in a… Read More →

From velociraptor to triceratops, this book reveals amazing facts about the dinosaurs and other amazing reptiles who ruled the planet for 150 million years. With amazing images and… Read More →

A good detective knows that crime scene evidence can make or break a case. Learn how to look for evidence, how to collect it, and what it can tell us in this captivating high/low title! Read More →

Crime scene investigators walk past the yellow tape with one mission: to figure out what happened. Discover what it takes to be an investigator and learn about the investigation process in… Read More →

Las computadoras y el Internet cambiaron para siempre la forma en que comunicamos mensajes y otro tipo de información. También crearon nuevos desafíos para poder mantener esas comunicaciones… Read More →

Imagina tener un trabajo que ha existido durante miles de años. Las personas llamadas criptólogos han estado creando y descifrando códigos casi desde que los humanos comenzaron a escribir. La Read More →

Cristiano Ronaldo is a superstar soccer player for Spanish club Real Madrid. In 2015 he became the leading scorer in Champions League history with a career record 76 goals. He has claimed… Read More →

Cristiano Ronaldo has won soccer’s coveted Ballon d’Or five times, as well as more than thirty trophies and many other awards. He’s also the top goal scorer in history. Many would argue that… Read More →

Diego Maradona was a powerful midfielder who won a World Cup. Cristiano Ronaldo doesn’t yet have that World Cup win, but he has had an incredible career as a forward. But who is the true king Read More →

Hippos and crocodiles are both fierce animals of the Nile River. Nile Crocodiles are faster than hippos in the water, but they are slower on land. And while hippos weigh more than crocodiles, Read More →

Rhyming verse from Brian P. Cleary presents the fictional Clip-Clop Elementary School's celebration of "Onomatopoeia Day." Enthusiastic young students make their way from band room (Rattle!… Read More →

From snot and phlegm to earwax and eye gunk, there’s some pretty gross stuff in that body of yours! But why do you have all that sticky slime inside you? And why does it build up sometimes… Read More →

Can you believe that amazing crystals and gemstones are hidden beneath our feet? Dive into key topics such as crystal formation, identification, and rarity. Discover fascinating facts,… Read More →

The case is closed—but did police arrest the right culprit? Controversial techniques used by investigators can pin a crime on the wrong person. Learn about the consequences of these… Read More →

Pack your bags! We’re headed to Cuba. On this whirlwind tour, you’ll learn all about the country’s landscape, culture, people, and more. We’ll explore Cuba’s tropical rainforests and… Read More →

Many dogs make the best of friends! From fluffy little lapdogs to supportive service dogs, some pups provide emotional and physical support and make fantastic human companions. These dogs… Read More →

What if people could make toys, foods, or even body parts using a computer printer? They can! Modern programmers and scientists have figured out a way to make three-dimensional versions of… Read More →

Filled with cool photos and information about the latest in artificial intelligence technology, this book shows readers how AI has developed, how it is used, and what might be in store for… Read More →