Frederic Pryor was a man who studied economics, which is like learning about how money and business works. He became really interested in the differences between different countries and how they handle their money and businesses.
One day, he was studying in Germany when something really crazy happened. The government there split the country in half, making one side communist and the other side democratic. This was a really big deal because it hadn't happened before and it meant that people on either side couldn't easily travel to the other side.
Frederic found this really interesting, so he started doing research to try and figure out what was going on. He talked to people on both sides of the divided country to understand how the different ways of running the countries affected people's lives.
Eventually, Frederic was able to write a book about what he had learned. It helped people understand more about the differences between communism and democracy and how they can affect the economy and people's lives. His work was very important and helped people all over the world understand more about economics and how different governments work.