Dr. Alex Delaware, a psychologist, is the protagonist in most of Jonathan Kellerman's mysteries. In Obsession, the latest Kellerman novel to come out in paperback, Delaware is at his best.
The story evolves from a visit from 19-year-old Tanya Bigelow, whom Delaware had treated when she was a child. Tanya explains that her mother Patty, who had recently died of cancer, made a deathbed confession indicating that somewhere in the past she had committed a murder. In her dying breathes, she urged Tanya to see Dr. Delaware to help her learn the truth.
From that seed, Alex proceeds to unravel the mystery with the help of his friend (and Kellerman regular), LAPD homicide detective Milo Sturgis. As they begin to ask questions and put together disparate pieces, new murders occur. Eventually the full story is revealed and the real bad guys are dispensed to their fates. It was a pleasant journey that challenged the mind as psychological mysteries are supposed to do. The only strange twist was the final chapter which occurred after all was solved but which added what, for me, was not a totally unexpected sidelight to the tale.
It was the kind of good read I expected from a Jonathan Kellerman effort.