People who lived in towns in the Middle Ages were usually part of the merchant class and were more often than not wealthier than village dwellers. These craftsmen and business owners were… More →

The Middle Ages in Europe was characterized by almost constant warfare as rival nobles fought with knights for castles and land. At the same time, Vikings, Magyars, Mongols, and Moors were… More →

Each book in the Members of the Animal Kingdom series introduces you to a different animal group and explains how they are unique. Spectacular photographs and fact boxes will capture readers' More →

The kids at Code Academy are memorizing their lines for a school play with the help of Ro-bud, their computer classmate. But when Ro-bud can't remember her lines, everyone panics! Professor… More →

This interesting title shows readers how the creation of maps depends a lot on the individual perception of the mapmaker. Readers will explore how mapping strategies can be used to organize… More →

Jump into orbit around one planet in our amazing solar system: Mercury! Take a fact-filled flight to learn what makes this tiny planet so special. Explore its speedy travel through space,… More →

Directed by U.S. President Thomas Jefferson, Meriwether Lewis and William Clark teamed up in 1805 to explore the land included in the Louisiana Purchase. Find out how the findings from their… More →

Simple activities show children how to make a difference to the environment by reusing metal to make bird feeders, pots for plants, and tin-can phones. More →

This comprehensive title introduces young scientists to the properties of metals. Through clear, concise text and supportive images, readers will discover that most metals are shiny, ductile, More →

This valuable resource provides teachers with useful suggestions on how to teach the subjects covered in the Rocks, Minerals, and Resources series. More →