Exit Music (Inspector John Rebus Series #17)

It's late in the fall in Edinburgh and late in the career of Detective Inspector John Rebus. As he is simply trying to tie up some loose ends before his retirement, a new case lands on his desk: a dissident Russian poet has been murdered in what looks like a mugging gone wrong.
Rebus discovers that an elite delegation of Russian businessmen is in town, looking to expand its interests. And as Rebus's investigation gains ground, someone brutally assaults a local gangster with whom he has a lon…