Even before knowing what they were, humans were captivated with comets. Some early mathematicians correctly calculated when the comets would return; contemporary scientists discovered why this happens. From their ancient…

China is considered by many historians to be the oldest continuous civilization in the world. Its culture has changed relatively little since ancient times. In this book, readers learn about…

In wild boars’ native habitats of Eurasia and North Africa, they play important ecological roles. Their activity in the forest creates habitats for other creatures and spreads seeds to other…

The Roman Republic was a major world power for years. However, it eventually fell and was replaced by the Roman Empire, which then endured for another few centuries. In this…

Although ancient India was unearthed by archaeologists long after Egypt and Mesopotamia, experts now believe it was one of the first civilizations in history. Ancient India has given the world…

Humans have long been fascinated with exploring the vast expanse of space, despite the inherent dangers of surviving beyond Earth's atmosphere. This volume delves into the history of human space…

When the prices of gas, food, rent, and many other necessities start to rise, it can be difficult to explain to children what's happening. They may struggle to understand why…

In the 21st century, the world has become so interconnected that ignoring other countries is no longer a possibility. In an increasingly global society, with people traveling constantly, learning about…