The Odessa File — Frederick Forsyth

The  suicide of an elderly German Jew explodes into  revelation after revelation: of a Mafia-like  organization called Odessa ...of a real-life fugitive known as the  "Butcher of Riga"..of a young German journalist  tumed obsessed avenger.......and, ultimately, of brilliant, ruthless plot  to reestablish the worldwide power of SS mass  murderers and to carry out Hitler's chilling  "Final Solution."