On the Boulevard St. Michel there is a Crémerie painted white and blue outside, and neat and clean as a whistle inside. The auburn-haired young woman who speaks French like a native, and rejoices in the name of Murphy, smiled at them as they entered, and tossing a fresh napkin over the zinc tête-à-tête table, whisked before them two cups of chocolate and a basket full of crisp, fresh croissons .

The primrose-coloured pats of butter, each stamped with a shamrock in relief, seemed saturated with the fragrance of Normandy pastures.

“How delicious!” they said in the same breath, and then laughed at the coincidence.

“With but a single thought,” he began.