The third in the Jennifer Shot series, Shot Through the Heart is set in Tasmania.
From the Blurb:
Summer sizzles as Jennifer Shot, law student and private detective, begins her end-of-year vacation. But serial killers don’t take holidays. The bodies of beautiful dead women are washing up on Tasmanian beaches. Hunter, an American mercenary, who Jennifer has worked with on other cases, is tracking an international drug trafficking ring and enlists her help.