Upon Some Midnights Clear
 Upon Some Midnights Clear is a crime novel by the American writer K.C. Constantine set in 1980s Rocksburg a fictional blue-collar Rustbelt town in Western Pennsylvania (modeled on the author's hometown of McKees Rocks Pennsylvania adjacent to Pittsburgh).Mario Balzic is the protagonist an atypical detective for the genre a Serbo-Italian American cop middle-aged unpretentious a family man who asks questions and uses more sense than force.