"M" Is For Malice By
Sue Grafton
 
The Malek family: four sons nearing middle age who stand to inherit a fortune. But for any of them to claim their millions, the fourth brother must be found. Eighteen years before-angry, troubled, and in trouble-he disappeared. No one's seen or heard from him since. Now Kinsey Millhone must track him down. And when she does, she unknowingly set in motion a bitter payback from the past that can end only in murder...