Michael Lewis, with his usual narrative flair, examines the fallacy behind the major league baseball refrain that the team with the biggest wallet is supposed to win. Over the past four years the Oakland Athletics, a major league team with a minor league payroll, have had one of the best records in the country. General Manager Billy Beene is putting into practice on the field revolutionary principles to build his team that have been concocted by geek statisticians and college professors, rather than using the old scouting technique called "gut instinct."