. >> reporter: she's nancy finley.and if that last name sounds familiar, it should evoke wonderful memories for any diehard oakland a's fan. former owner charlie finley was her uncle. father, carl, minority partner and general manager. these three world series trophies from 1972, '73, '74, their crowning achievement. >> one year, one year, one year. just got to be the norm. >> reporter: the norm? >> the norm. like, we'll get another trophy. >> reporter: nancy was barely a teenager back then, memories she's put into a book that came out today. "finley ball: how two outsiders turned the oakland a's into a din city and changed the game forever." >> i want people to know what we achieved. >> reporter: in addition to the world series wins, how about five division titles in five years? now add the influence her father and uncle had on baseball, among their ideas all-star and world series games played at night and in the american league, the designated hitter. >> they wanted to speed it up. make it more exciting. >> reporter: