Roger Kay put his other arm about her, smiled down. "That was why I was sent here, Ann. To eliminate possible hitches."

"But how—"

"Your father destroyed the formula the first time, and I guessed he might do it again—in his mind he was back some twenty years ago, remember—so I took the elementary precaution of placing carbon paper between the third and fourth sheets of that pad of paper. And I sent Wargan the formula while you were with your father, twelve minutes ago."

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