Lady in the Lake by Laura Lippman

Maddie Schwartz is adrift. She left her successful husband and because of leaving is out of sorts with her son, is involved with someone she shouldn't be with and has a habit of finding dead women. The biggest problem she has is that she cares about the women and finding the killer. Told from a variety of viewpoints, this is several murders being investigated by a woman who really wants to make it as a crime journalist. It skirts the edge of infidelity, corrupt police and politicians, and racism. Welcome to Baltimore in the 60s. Taunt and unpredictable crime noir told mainly from a woman's perspective- if I said anything more it would give something away.