Mark Jacob, a former Chicago Tribune metro editor, edited the columns that won Mary Schmich a Pulitzer Prize for commentary. Everybody Needs an Editor is the ninth nonfiction book he has coauthored, with a tenth soon to come, a biography of Abe Saperstein, founder of the Harlem Globetrotters. Mark’s articles have been published in the Chicago Tribune, the Chicago Sun-Times, Library Quarterly, Chicago magazine, and Chicago History magazine.