Amelia stared.

"Where will you be, mum?"

"I shall be here, of course. Don't you understand, I shall not see her."

"Am I to say that?"

"You're to say, 'Not at home.'"

"I can't say that if you are." Her face was stolid.

"Amelia," I cried, "return to your soap boxes quickly, or I might fling the tortoise at you."

"But——"

"Go!" I said, and with a loud crack of a bone she departed, filled with amazement.