“Sarah，” she said to the housemaid （who had never had such a day before）， “go around to the police station at once and tell them there is a dangerous lunatic at large. I will take Mrs Kirke‘s lunch up myself.” Mrs Kirke was， of course， Digory’s mother.
When Mother‘s lunch had been seen to， Digory and Aunt Letty had their own. After that he did some hard thinking.
The problem was how to get the Witch back to her own world， or at any rate out of ours， as soon as possible. Whatever happened， she must not be allowed to go rampaging about the house. Mother must not see her.