 During his tenure, he updated many of the key batting statistics that had become inaccurate over time, and he also added new feature to this classic volume which featured players and their statistics of many of the top Negro Leagues players and also the top players from the All-American Woman’s Professional Baseball League.Wolff has also penned a number of sports titles himself, his most recent effort being a collaboration with Hall of Famer Cal Ripken, Jr on sports parenting ("Parenting Young Athletes the Ripken Way", which was published by Gotham Books in 2006).On the humor side, Wolff's writing efforts have included "Golf Dirty Tricks" (Andrews McMeel) and the parody "Sports Illstated" (Andrews McMeel).