We are currently providing the audio clip of summarized commentary for 'What Everyone Should Know About Economics and Prosperity‘ written by James D. Gwartney and Richard L. Stroup. With the simple keywords, this book explains the basic principles of free market economy. In the separated booth for audio recording, interns can record their voices to make audio clip for selected books translated and published by CFE. By providing audio clip, people can get deep insight on notable libertarianism books by ear and interns also can understand the books' messages through talking by themselves. After CFE translated this book in 2004, this book got extreme popularity in Korea, especially regarded as Samsung Freshmen workers' must-read books.