NEW YORK TIMES BESTSELLER _ MORE THAN ONE MILLION COPIES SOLD ',A provocative read...There are few tomes that coherently map such broad economic histories as well as Mr. Dalio's. Perhaps more unusually, Mr. Dalio has managed to identify metrics from that history that can be applied to understand today.' Andrew Ross Sorkin, The New York Times From legendary investor Ray Dalio, author of the #1 New York Times bestseller Principles, who has spent half a century studying global economies and market ...