Baby Professor 
Let’s Make a Trade! : Exchange of Goods & Services in an Economic System | Grade 5 Social Studies | Children’s Economic Books 

In a previous Baby Professor Book, you have read about the barter system and the many kinds of economic systems. In this book, you will learn about how countries exchange goods and services. You will also learn the reason for this exchange. Examples are provided to help you to better understand this economic concept of international interdependence through trade.

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Baby Professor showcases a collection of subjects that are educational for kids to help them learn how to do something themselves, exactly how something is done or how it came about. Children love to learn through attractive visuals and Baby Prof. is ideal to get your child the head start he or she needs for the future. Our Motto – 'Learning is Fun, so let’s Make it Fun to Learn’.