The Paper Moon by Andrea Camilleri
Paper Moon is the thrilling ninth instalment in the Inspector Montalbano series, by Italian author Andrea Camilleri.
As he gets older, Inspector Montalbano is plagued by existential questions. But he doesn't have much time to wax philosophical before the gruesome murder of a man - shot in the face at point-blank range with his pants down -commands his attention. Add two evasive, beautiful women as prime suspects, dirty cocaine, dead politicians, mysterious computer codes, and a series of threatening letters, and things soon get very complicated at the police headquarters in Vigata.
Paper Moon is followed by the tenth book in the Inspector Montalbano series, August Heat.