Engineers build models to help them test how well their solutions will work. Read about how testing small-sized models helps them spot mistakes, make improvements, and create the best… More →

When their robot classmate, Ro-Bud, gets a computer virus, the Code Academy gang is determined to help her. Along the way, they learn what a virus is, and how "hackers" break into computers… More →

This entertaining book explores the extraordinary dynasties of Ancient China, and how China has defended itself over thousands of years against invaders such as the Mongols. It includes… More →

This entertaining book guides readers through 3,000 years of ancient Egyptian history on the banks of the Nile River, from the early settlers and kings to great pharaohs such as Ramesses II,… More →

This entertaining book guides readers through the Golden Age of this ancient civilization, exploring the empire that became the largest in the world under Alexander the Great. It includes… More →

This entertaining book tells the story of an empire that began on the seven hills of Rome and spread all the way across Europe under the rule of such characters as Tiberius, Augustus, and… More →

This entertaining book, set in the heart of the rain forest, reveals the mysteries of this great ancient Mexican civilization with its legacy of pyramids, temples, huge cities, and golden… More →

Newsflash! Find out who the celebrities of the ancient world were in Hail! History, an entertaining look at the lives of the people who shaped ancient cultures. Each book is designed like an… More →

Lacey is a football who just wants to play. But the boy has trouble throwing Lacey properly. What could be the problem? More →

This entertaining book traces the lives and loves of the extraordinary family of English kings and queens, the Tudors, from the time when Henry VII came to the throne to the death of… More →