人を動かす
"How to Win Friends and Influence People" became one of the most successful books in American history. It went through 17 print editions in its first year of publishing and sold 250,000 copies in the first three months. The book has sold over 30 million copies worldwide since and annually sells in excess of 250,000 copies. A 2013 Library of Congress survey ranked Carnegie's volume as the seventh most influential book in American history.