“Course not!” said Fatty scornfully. “And if Clear-Orf tried to disguise himself it wouldn’t be a bit of good. We’d always know his frog’s eyes and big fat nose.”

Bets giggled. She hugged her doll, and thought how clever and kind Fatty was. She said so.

“Oh, well,” said Fatty, swelling up a little, prepared to boast to his heart’s content, “I’m -”

But just then Pip came into the room and Fatty stopped. Pip didn’t take kindly to Fatty’s boasting. Fatty had a few words with Pip and then went.

“I’ll come along after Christmas and give you all some Find-Outers lessons,” he promised. “Give my love to Daisy and Larry if you see them today. I’ve got to go over to my grandmother’s for Christmas with my mother and father.”

Bets told Pip what Fatty had said about spending his money on disguises. “He said he would buy wigs - and eyebrows - and teeth!” said Bets. “Oh, Pip, do you think he will? What shop sells things like that? I’ve never seen any.”

“Oh, I suppose they are shops that actors go to,” said Pip. “They have to buy things like that. Well, we’ll see what Fatty gets. We ought to have some fun.”

When the excitement of Christmas was over, the Christmas trees taken down and re-planted in the garden, and the cards sent away to a children’s hospital, the children felt rather flat. Fatty apparently was staying at his grand-mother’s, for they saw nothing of him, and had a post-card saying, “Back soon. Fatty.”

“I wish he’d come back,” said Bets. “Suppose a mystery cropped up? We’d have to be Find-Outers again - and our chief wouldn’t be here.”

“Well, there isn’t any mystery,” said Pip.