The astronomer, not part of the semi-circle, snakes into view from one of the countless aisles. "Surely you," he says, his voice devoid of challenge, "who are tasked with the keeping of such a marvelous bastion of knowledge, who are so privileged to be the guide to others in these hallowed aisles, would know where among these treasures to find an even greater treasure – a book in a familiar tongue?"