"What put it into your head, Sara, that Vivian was saying anything unpleasant about you last night?"

"Magic," she replied succinctly.

"Rubbish!"

"I have a magic tapestry that transports me, hither and thither, and by night I always carry Aladdin's lamp. So, you see, I see and hear everything."

"Be sensible."

"Very well. I will be sensible. If you intend to be influenced by what Vivian or her mother said to you last night, I think you'd be wise to avoid me from this time on."

Prepared though he was, he blinked his eyes and said something she didn't quite catch.

She went on: "Moreover, in addition to my attainments in the black art, I am quite as clever as Mr. Sherlock Holmes in some respects. I really do some splendid deducing. In the first place, you were asked there and I was not. Why? Because I was to be discussed. You see—"

"Marvellous!" he interrupted loudly.

"You were to be told that I have cruel designs upon you."