G is for Gumshoe (Kinsey Millhone #7)

Good and bad things seem to be coming in threes for Kinsey Millhone: on her thirty-third birthday she moves back into her renovated apartment, gets hired to find an elderly lady supposedly living in the Mojave Desert by herself, and makes the top of ex-con Tyrone Patty's hit list. It's the last that convinces Kinsey even she can't handle whoever's been hired to whack her, and she gets herself a bodyguard: Robert Dietz, a Porsche-driving P.I. who takes guarding Kinsey's body very seriously. With Dietz watching her for the merest sign of her usual recklessness, Kinsey plunges into her case. And before it's over, she'll unearth the gruesome truth about a long-buried betrayal and, in the process, come fact-to-face with her own mortality. . .