Alfred P. Sloan Jr. became the president of General Motors in 1923 and stepped down as its CEO in 1946. During this time, he led GM past the Ford Motor Company and on to international business triumph by virtue of his brilliant managerial practices and his insights into the new consumer economy he and GM helped to produce. Bill Gates has said that Sloan"s 1964 management tome, My Years with General Motors, "is probably the best book to read if you want to read only one book about business." And if you want to read only one book about Sloan, that book should be historian David Farber"s Sloan Rules. Here, for the first time, is a study of both the difficult man and the pathbreaking executive. Sloan Rules reveals the GM genius as not only a driven manager of men, machines, money, and markets but also a passionate and not always wise participant in the great events of his day. Sloan, for example, reviled Franklin Roosevelt and the New Deal; he firmly believed that politicians,...