I Is for Innocent — Sue Grafton

Since she was fired by California Fidelity Insurance, Kinsey Millhone has lost her usual swagger. And her new case is no confidence builder. Attorney Lonnie Kingman is going to court on a civil suit in three weeks when his P.I. drops dead of a heart attack. With the statute of limitations running out, Kinsey has to tie up the loose ends of a murder investigation. The victim, an affluent artist named Isabelle Barney, had been shot with a .38; her husband, David Barney, was tried and acquitted of the murder. Now her ex-husband is suing Barney for Isabelle's estate, claiming the jury made a big mistake.

Things get complicated when Barney gets to Kinsey, insisting he's innocent. Everything he says checks out. But if David Barney is innocent, who's guilty? In trying to learn who's been getting away with murder, Kinsey may be courting her own....