Maggie Mahar is the author of Bull! A History of the Boom and Bust, 19822004 , a book Paul Krugman of the New York Times said "makes a devastating case against the contention that the market is almost perfectly efficient." In his 2003 annual report, Warren Buffett recommended Bull! to Berkshire Hathaway's investors. Before becoming a financial journalist in 1982, when she began to write for Money magazine, Institutional Investor , the New York Times , Bloomberg , and Barron's , Mahar was an English professor at Yale University. She lives in New York City.