“Principles of Macroeconomics” 6th Edition, by Edwin Mansfield is a comprehensive textbook published in 1989 by Norton & Company, Incorporated. This trade paperback edition is 576 pages long and written in English. The book covers the subject area of business and economics, specifically focusing on macroeconomics. With its author’s expertise and detailed content, it serves as a valuable resource for students and professionals interested in understanding the principles of macroeconomics.