She’d been trying to figure out why her uncle was the way he was. And not in a conniving way, but, it seemed, out of a sincere desire to be a good and understanding help-meet to this weird old man who had become, in effect, her new father. Daniel had written eight drafts of his letter back to her, for he knew perfectly well that one day Isaac would find it among her effects, and read it. He would read it every bit as shrewdly as a challenge from Leibniz.