The Execution Exchange(1985)
(Book 206 in the Killmaster series)
A novel by Nick Carter and Gayle Lynds
"The American James Bond!" (New York Times). What do a Mafia hit man and a former Green Beret turned mercenary have in common? They're both double-agents for an unknown terrorist group killing off high government officials--and now they're dead! Nick Carter's assignment: find the next agent before he completes another execution. It's going to break Nick's heart when he finds out that the double-agent is his best friend's widow...
Used availability for Nick Carter's The Execution Exchange
October 1985 : USA Paperback