I nodded.
"Yesterday morning, Monsieur. At nine o'clock."
You could have knocked me down.
I walked towards the car like a man in a dream.
The business smacked of a conjuring trick.
Having lost the terrier in the town, I had been sent to view the Château against my will, there to discover my missing chattel in a locked chamber upon the second floor.
To add to the confusion of my wits, Susan was talking furiously.
"…I've read of such things. You know. In case of a revolution, for the king to escape. They say there's one at Buckingham Palace."
"One what?" said I abstractedly.
"Underground passage," said Susan. "Leading out into the open. The one from Buckingham Palace goes into a house, I suppose it was country once, and then the ground was built over, or, of course, it might always have led into the house, and they just had loyal people living there or someone from the Court, so that——"