"Yes. Of course you know who it is."

Mrs. Clinton thought for a moment. "What has put the idea into your heads?" she asked.

"Father is very pleased with him," explained Joan. "And that is the only thing we can think of to account for it. But we have seen it coming for a long time."

"Well, for about a fortnight," corrected Nancy. "It's Susan Clinton, of course. Do you like her, mother?"

Mrs. Clinton did not reply to this question, and Joan said, "We are prepared to give her a sisterly welcome."

"If she treats us well we'll treat her well," said Nancy. "And we like the idea of Mr. Humphrey and Lady Susan Clinton. It's so Morning Posty."

"I think you are running ahead a little fast," said their mother. "Don't you want to hear about your new governess?"

"Oh yes! What is she like?" exclaimed the twins in one breath.

"She is very learned, and rather severe," said Mrs. Clinton. "You will have to work very hard with her."

"We are quite ready to do that," said Nancy. "Is she ornamental?"