The Son - Jo Nesbø
Sixteen-year-old Sonny Loftus came home to find his father slumped over his desk, a pistol by his hand and a pool of blood by his head. A note suggested that he had been a mole in the Oslo police department who’d been tipping off organized crime for years.

Once outside the prison walls, Sonny sets about getting even – with everyone involved. Not only does the bloody path he carves though the Oslo underworld get the crime boss’s attention, the local would like very much to discuss his activities, especially a homicide cop by the name of Simon Kefas. Kefas isn’t just another wily old workhorse cop, he happens to have been the longtime partner of Loftus senior. To say he has mixed emotions about The Son of his old friend is an understatement. To say that Simon has some baggage of his own is also an understatement…