Dust by Martha Grimes
You know, it's just occurred to me that Martha Grimes wrote Dust.
I know. I'm sorry. Sometimes I can't help myself.
I've read (I think) all of Martha Grimes' Richard Jury books, and I've enjoyed them all. Including this one, although it was unusual and left me somewhat confused. Now, there might be spoilers coming, so if you haven't read the book, you may want to stop here.
In Dust, I think Jury behaves extremely out of character. He meets a female police superintendent, and a short while later, they are in his flat, having wild sex. His landlady actually knocks on his door and asks him if someone has broken in, because she heard furniture falling and breaking. This happens almost every time that he and Aguilar, the aforementioned superintendent, see each other.
Meanwhile, Richard is feeling guilty about the pathologist he's been seeing.....
The plot is a little more convoluted than usual, too, dealing with revenge murders and children killed by the German SS during the Holocaust.
I'm trying really hard not to give too much away, so will stop here, just adding that although it's not the best Jury book, it's still pretty darned good.