Common Ground: A Turbulent Decade in the Lives of Three American Families is a nonfiction book by J. Anthony Lukas, published by Alfred A. Knopf in 1985, that examines race relations in Boston, Massachusetts, through the prism of desegregation busing. It received the Pulitzer Prize for General Nonfiction, the National Book Award for Nonfiction,and the National Book Critics Circle Award.The book traces the history of three families: the working-class African-American Twymons, the working-class Irish McGoffs, and the middle-class Yankee Divers. It gives brief genealogical histories of each families, focusing on how the events they went through illuminated Boston history, before narrowing its focus to the racial tension of the 1960s and the 1970s. Through their stories, Common Ground focuses