I milanesi ammazzano al sabato (translation: Milanese Kill on Saturdays) is a 1969 crime novel by the Italian writer Giorgio Scerbanenco. It revolves the disappearance of the beautiful daughter of a truck driver, which leads the investigator to the slums and brothels of Milan. It was the final installment in Scerbanenco's Milan Quartet about the medical doctor and investigator Duca Lamberti. Source: Wikipedia (en)