“A bit of knitting, some capital E ’s, and a lot of buttons,” muttered Battle discontentedly.

“ C’est inoui ,” said Lemoine angrily.

“Cipher No. 2,” said Anthony. “I wonder whether Professor Wynward would be any good at this one?”

“When was this passage last used, milady?” asked the Frenchman of Bundle.

Bundle reflected.

“I don’t believe anyone’s been into it for over two years. The Priest’s Hole is the show exhibit for Americans and tourists generally.”

“Curious,” murmured the Frenchman.