two knocks meant, `Prisoner, are you there?’”

She knocked three times on the wall herself, as if in answer.

“That means, `Yes, I am here, and all is well.’”

Four knocks came from Becky’s side of the wall.

“That means,” explained Sara, “`Then, fellow-sufferer, we will sleep in peace. Good night.’”

Ermengarde quite beamed with delight.

“Oh, Sara!” she whispered joyfully. “It is like a story!”

“It IS a story,” said Sara. “EVERYTHING’S a story. You are a story—I am a story. Miss Minchin is a

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