Book excerpt: Written in 1937 when the Thurman W. Arnold was a law professor at Yale, the Folklore of Capitalism is a puckish but serious critique of what he saw as the myths of capitalism. Summing up his book in the Preface, the author said, "By the folklore of capitalism I mean those ideas about social organizations which are not regarded as folklore but accepted as fundamental principles of law and economics." The book, which satirizes many beliefs of American laissez-faire society, was a best-seller and brought Mr. Arnold national attention.