Ring of fire (Riverdale, N.Y.)

"Most of the Church's senior leaders have converged upon the city of Besancon in Burgandy, where Pope Urban's renegade papacy, now on the run from the Vatican's would-be usurper Borja, plans to offer an ecumenical olive branch to the other Christian denominations with which Rome has been at war. Fortunately, Urban has up-time help relying on Cardinal Protector Larry Mazzare's theological savvy, Sharon Nichol's medical skills, and a small contingent of the Hibernian Battalion on loan by Mike Stearns. Which is prudent as Borja's assassins and other killers are determined to stop him"--