Renko Again

I just finished reading the most recent Arkady Renko book (Tatiana by Martin Cruz Smith). I've followed Renko ever since Gorky Park more than thirty years ago and it was a pleasure to encounter him again.
I've heard some grumbling to the effect that Tatiana seemed to be phoned in but didn't find it to be so. I mean, it's a series for goodness' sake ... there's bound to be some recurring characters and themes.
Anyway, it was neither as dense nor as long as some of the other Renko books, but it told a good story with solid, interesting characters trying to live honorably in the new Russia.