This book is a book by Adam Smith which was first published on March 9, 1776, with the title An Inquiry into the Nature and Causes of the Wealth of Nations. Adam Smith, a Scottish moral philosopher, wrote a book to describe the industrial capitalist system that overturned the mercantilist system. This book is the first book in the An Inquiry into the Nature and Causes of the Wealth of Nations series which has been corrected in terms of content without changing the meaning of the original book to make it easier for readers to understand the contents of this book.