Teen detective Nancy Drew, of all people, led Peggy Wilkins to Playboy. It was July 1978 in Kalamazoo, Michigan, and 13-year-old Peggy was a huge fan of the TV series. That summer the actress who played Nancy, Pamela Sue Martin, appeared on the cover of Playboy. Coyly holding a magnifying glass, she was wearing an artfully draped trench coat and clearly little else. Peggy had to have it. But how?