Tito's Dead

Bernard Nolan runs an Irish pub in Sarajevo. He's also an undercover cop for Europol, but that's his secret.
Life's not bad, until the corpse of a man named Tito turns up with a crumpled postcard of a Dublin pub that Nolan knows, in his pocket and it's signed by The Pigeon, the most notorious crime boss in the city. Ordered back to Dublin, accompanied by Sergeant Orla Farrell and Bosnian detective, Ivan Toscic, they're soon caught in a tangled web of deception, treachery and danger as they're plunged into the dark underworld of Dublin's nightlife and the vicious killers who inhabit it.
Furthermore, as the investigation progresses, it becomes clear someone (or everyone?) is playing a double game. Who is the real enemy? The Pigeon, or someone closer to home?
Trust no one...