I've been reading Kellerman and his Delaware psycho-thrillers for about 20 years now, and haven't tired yet. Of course, he's had his ups and downs, some stories being better than others, and lately losing some luster - but this one is excellent.
The author is well into his third decade of writing (i.e, check his
Deception,
Compulsion,
The Conspiracy Club,
The Butcher's Theatre, et al.), and while I always find a comfortable familiarity with each of his books, I'm also pleased to see that he avoids the formulaic plotting that a lesser talent would have succumbed to by this point - apart from his fixation on meticulously listing what everyone's wearing as soon as they enter the scene (there must be a psychological explanation for this... OCD? eh, eh, eh).
So, anyway, MYSTERY is one of Kellerman's best works to date, with his two main characters - consultant psychologist Delaware and LAPD Detective Sturgis - meeting and greeting all types during the course of a difficult investigation into the gruesome murder (face blown off and other diverse mutilations) of a girl part of an online dating circuit. The pair follow a trail of secrets and deception in a plot that truly keeps you on your toes, with all the cyberspace ingredients so dramatically current in the area of online adult dating and depressing sex commerce.
Delaware ultimately comes through in a denouement where the author quietly and quickly makes a point that we should all take with us, whether we have mysteries to solve or not.
Ok, ok, I'm a Kellerman aficionado and may be slightly biased but, hey, so kill me for it!