There are many types of rules and laws. Read the book to find out why they are important.

In the Caribbean there is a very special island called Puerto Rico. Read the book to find out more about this island.

Each type of coin has a different value. What coins can you use to make a dollar?

Sophie Moore is an American girl, but she was born in China. Sophie’s parents adopted her when she was a baby. Read all about her life in the United States and how Chinese culture continues [...]

Thousands of years ago, people could travel only by walking. Today, there are many different forms of travel, from driving to flying. How will travel change in the future?