A Plague of Spies — Michael Kurland

A group of international spies has assembled in the small nation of Alba. Interpol guesses that they aren't there for their holidays - but has no clue as to the real plans being set in motion. Peter Carthage, WAR, Inc.'s slickest agent, is sent to infiltrate and destroy - and ends up captured by an order of most peculiar monks. As Carthage learns the sinister secret of the monastery, he finds himself in the middle of the greatest coup in the history of crime...