Ring of fire (Riverdale, N.Y.)

"When the diplomatic embassy from the United States of Europe was freed from the Tower of London, most of its members returned to the continent. But some remained behind in Britain: Oliver Cromwell, sharpshooter Julie Sims, her Scot husband Alex Mackay, and Cromwell's Irish-American self-appointed watchdog Darryl McCarthy. Soon the hunt is on for the most notorious rebel in English history, with King Charles himself demanding Cromwell's head. To make things more confused, the time Darryl spends fighting alongside Cromwell forces him against his well to admire and respect the man, despite Cromwell's demonic reputation among all self-respecting Irish nationalist families like Darryl's own"--