She kissed me on the mouth. "Then listen, Ted, and try not to interrupt. Just lie quietly here and hold my hand."

"Of course," I promised.

"Prospero was a very wicked man, Ted—"

"He drank and was a drug fiend, but he does know the formula—"

"You promised not to interrupt." Every word of her gentle voice was soothing; I could feel it steal over me, driving away a great fatigue. "Quite quiet, Ted?"

"Yes."

"That night at the laboratory he tried to poison you, Ted, with fumes from a mixture in a dish. You were unconscious when they found you."

I laughed weakly, it all sounded so preposterous.

"You don't know chemistry, dear," I said, feeling quite superior. "He couldn't poison me that way without poisoning himself."

"He did," Helen said very slowly. "When they found you, Prospero was dead."