A book that made Biff Tannen rich in 1985
Originally Marty McFly wanted to go back in time and make himself rich, but old Biff Tannen decided to tabled the turns.
Marty: Party's over Biff, theres a little matter we need to talk about.
Biff: Yeah money right well forget it!
Marty: No, not money, Grays Sports Almanac
Biff: You heard him girls, party's over...