Ivan Zhuk: Zhuk's Gambit Book 1 Mental Agony - Ivan Zhuk: Zhuk's Gambit, #1

Ivan Zhuk finds himself the center of unwanted attention, particularly Yuri Kozlov a Russian mobster and national who has shown distain for Ivan's Ukrainian background.  But more importantly, Ivan's presence has the attention of Yuri's rival - Tamrat Hailu, an Ethiopian crime boss seeking to control Chicago's black gangs.