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286 "What was that? I thought I saw a face—looking in through the window."

"No, there's nothing. See." Tuppence went to the window, and lifting the strap let the pane down.

"You're sure?"

"Quite sure."

The other seemed to feel some excuse was necessary:

"I guess I'm acting like a frightened rabbit, but I can't help it. If they caught me now they'd" Her eyes opened wide and staring.

"Don't!" implored Tuppence. "Lie back, and don't think. You can be quite sure that Tommy wouldn't have said it was safe if it wasn't."

"My cousin didn't think so. He didn't want us to do this."

"No," said Tuppence, rather embarrassed.

"What are you thinking of?" said Jane sharply.

"Why?"

"Your voice was so—queer!"

"I was thinking of something," confessed Tuppence. "But I don't want to tell you—not now. I may be wrong, but I don't think so. It's just an idea that came into my head a long time ago. Tommy's got it too—I'm almost sure he has. But don't you worry—there'll be time enough for that later. And it mayn't be so at all! Do what I tell you—lie back and don't think of anything."

"I'll try." The long lashes drooped over the hazel eyes.

Tuppence, for her part, sat bolt upright—much in the attitude of a watchful terrier on guard. In spite of