At her laughter, he took a step backward, as if she had struck him, and his tan face reddened. Now she felt terror. This time she had surely gone too far.

"Forgive me. Your answer surprised me. It sounds so strange for a man of your profession to talk of finding God."

"What profession?"

"Well, you are a warrior and a spy, not a holy man."

"We do not need to speak of this." He turned away from her to stare out the window. She looked past him at red-tiled rooftops. A flock of pigeons circled in the distance.

"No," she said. "And as an unbeliever I suppose I would not understand."

Surprisingly he approached her and looked down with eyes that were serious and free of anger. "If you ever, in sincerity, want to know about Islam, come and ask me, and as best I can I will answer your questions. But do not speak foolishness. And do not laugh."

She thought she understood a bit better. The Muslims had captured his body, but then in his enslavement he had freely given his soul to their religion. He did not serve the Turks. He served the God they called Allah. How this had come about she could not imagine. But she knew a little better why his sultan had entrusted him with this undertaking. He was perfect for it.

"I must go," he said, as if eager not to talk anymore.

"To deliver your message?" She gestured toward the clenched fist that held the fragile parchment. "Is there truly someone in Orvieto who can read it?"