First came the secretaries who struggled to get past the typing pool. Then came the first Harvard Business School grads who were laughed out of interviews. But by the 1980s, with markets in turbo-drive, women were playing for high stakes in Wall Streets bad-boy culture by day and clubbing by night. In She Wolves, award-winning historian Paulina Bren tells the inside story of how women infiltrated Wall Street, from the swinging sixties - a time when No Ladies signs hung across the doors of its luncheon clubs and (more discretely) inside its brokerage houses and investment banks - up to 9/11.