The atmosphere inside the library changed instantly. One moment, Clara had been sitting beside Alexander, feeling a rare sense of comfort. The next, that comfort was gone,replaced by fear,by uncertainty and by the realization that someone else might be following every step of their investigation. Alexander stood immediately. "What exactly did Henry say?" Clara placed the phone on speaker. Ethan's voice filled the room. "He said someone visited him." Alexander's expression darkened. "Who?" "He doesn't know." "Did the visitor threaten him?" "No." Ethan paused. "That's the problem." The answer confused Clara. "What do you mean?" "He wasn't threatening." The silence that followed felt unsettling. Ethan continued. "According to Henry, the man was calm. Polite. Friendly, even." Alexander

