From amazon.com

It should have been an easy assignment, but in Jacob Hamilton's world nothing is. The contact, a middle aged man, left under the wheels of a high speed train, with nothing to show but a folder marked FOR YOUR EYES ONLY. To make matters worse, the target, a Russian petty thief known as Andrei Ovinko, has a secret past, a past that Jacob knows only too well, for you see Ovinko moonlights as an assassin. In his mind Jacob knows once contracts have been exchanged there is no going back on the dea