Seventy times seven - John Gordon Sinclair

Danny
McGuire doesn't like his job, but he's good at it. Since his brother's
murder eight years earlier he has become a professional killer: a hit
man for hire, bent on retribution.

The Job: Danny's been
contracted to eliminate the 'Thevshi' - the Ghost - the most elusive
informant that has ever penetrated the Republican movement in Northern
Ireland. But there's a problem: the Thevshi claims to know who's
responsible for his brother's death. Danny's never killed someone he needed to talk to first.

The Target: When
Finn O'Hanlon (A.K.A. the Thevshi) is attacked in a bar in Alabama he
realises that his past has finally caught up with him. Forced to flee,
he embarks on a desperate journey to find Danny McGuire before it's too
late.

The Complication: But Danny and Finn are up against someone who's spent years hiding a
secret, and it's a secret they'll go to any lengths to protect.