The tenth novel in Mark Greaney’s exciting Gray Man series is Relentless. The Gray Man, you may recall from previous reviews, is Courtland Gentry, a former CIA assassin who was expelled from the service, operated as a free-lancer for a while, and has now been reinstated, though off the books. In Relentless, we find him in a hospital, being treated for wounds and a bone infection. But his boss asks him to interrupt his recovery to do an emergency extraction of a fugitive from Venezuela. That mission goes sideways in a big way. But Gentry learns that Zoya Zakharova, a former Russian agent and the woman he loves, has been assigned to a dangerous assignment in Berlin. He figures he’ll just postpone his treatment a little longer, to watch her back until the operation is over.

The mission is a complicated one – more complicated than most of the participants think. A private security agency called Shrike has been hired by a group – whom they believe to be Israeli Mossad-backed – to carry out an operation in Berlin. Only it’s not the Mossad they’re really working for, and the objective is known to only one man – a terrorist with lots of money and grandiose ambitions.

As I’ve mentioned in previous posts, I found this book slow reading, and wasn’t sure why. I think the problem was that it was very, very complex – involving three nested covert operations. Also there were several different groups maneuvering against one another, and I had trouble keeping them straight. I think that kept me from getting emotionally invested until I was fairly well along in the story.

High stakes, lots of action. I’m not sure my trouble getting involved was the fault of the book. So, recommended, because I like the series as a whole.