From the Publisher:
Judge Crowdy Lobbett knew too much about the sinister Simister gang. So Simister had him followed wherever he went and tried to kill him. He followed him across America across the Atlantic to the heart of England to mystery mile where he encountered Albert Campion.
Margery Allingham: Mystery Mile. Penguin Books, ISBN: 014009380X (June, 1992), 224 p., £6.99