The professional

By Robert B. Parker

Subjects: Adultery, Extortion, Serial murder investigation, Private investigators, fiction, Boston (mass.), fiction, Fiction, mystery & detective, general, Crimes against, Rich people, Spenser (fictitious character), fiction, Fiction, Extortion investigation, Private investigators

Description: Hired to counter a blackmailer who has had affairs with several wealthy women, Boston private eye Spenser finds the case turning violent when the women are systematically murdered, a situation that is complicated by the discovery that not all of the blackmailer's conquests make sense.