Grade 4

The Mayans are remembered today for their beautiful pyramid temples. But this ancient civilization had many other innovations! This fact-filled title explores the underground reservoirs,… More →

Mesopotamia is known as the cradle of civilization! This ancient society rose between two major rivers thousands of years ago. With its rise came new languages, laws, gods, and agricultural… More →

Ancient Rome still influences our world! The civilization's architecture, language, and government were preserved by the societies that followed, all the way up to the modern day! This title… More →

Did you know that the Ancient Romans ate while lying down? Or that they spread a sauce made of fish guts over their food? What about that gladiator sweat was sold as a beauty product in… More →

Back in 1922, Roy Chapman Andrews discovered dinosaur eggs. He also found bones of another dino called Oviraptor that looked like it was stealing those eggs. But was it really? For years,… More →

Baby dinosaur bones in a fossil shop led Jack Horner on a hunt that would change our understanding of dinosaurs. Soon, he was digging through mounds of mudstone nests on a search to uncover… More →

In this book, early fluent readers will marvel at Angkor Wat while learning about its history, location, uses, and architecture. Vibrant, full-color photos and carefully leveled text will… More →

It's an all-out brawl between some of nature's top predators in this high-interest series! Venture deep into the rain forest and to the bottom of the ocean to learn about some of the world's More →

For children who love to scream, shout, or just have fun making silly sounds, along comes the perfect series--Animal Loudmouths. From howling coyotes to roaring hippos, young readers will… More →

Animals may be smarter than you think! Follow the true story of animal masterminds showing their supersmarts. Bright graphic illustrations paired with nonfiction content bring vibrancy to… More →

Whether they are searching for food or finding somewhere safe to have babies, many animals migrate throughout the year. Find out about some of the animal kingdom's most amazing… More →

A fuzzy wombat pops out cube-shaped poop, the sloth moves so slowly that algae actually grow on it, and a pet pooch's sense of smell is at least 10,000 times stronger than a human sniffer.… More →