“The old man,” Jameson called out. “Did he know?” Silence was his grandmother’s only reply, but Jameson’s mind, wired as it was for puzzles and riddles and codes, came up with an answer of its own. Who else would have drawn that map? The old man had known that his beloved was alive. That she was in Prague. The real question was what else Tobias Hawthorne had known. What else there was to know.