The Parsifal Mosaic by Robert Ludlum
A powerful, fast-paced thriller from the bestselling author of the Bourne series.
Michael Havelock watched as his partner and lover, Jenna Karas, double agent, was gunned down by his own agency. There's nothing left for him but to get out, quit the game. Until, in one frantic moment on a crowded railway platform in Rome, Havelock sees Jenna. She's alive - and suddenly Havelock is a marked man, on the run from both US and Russian assassins.
Racing around the globe after his beautiful betrayer, Havelock is trapped in a massive mosaic of treachery created by a top-level mole with the world in his fist - Parsifal...