Thranduil makes a noise that could substitute for a polite interjection, an indication that he's listening, even as he disregards his original section and makes for another, finally pulling a book free, holding it spine down so that the papers tucked between the pages do not slip out.

"Were you familiar with the Rifter Cosima? She did a great deal of work with the microscope," said with utter confidence, "and wrote somewhat of the healing in her world. There would be a great deal for a scholar to pour over in her writings, possibly derive new techniques. Or," and Thranduil says this even as he offers Cosima's notes to Issac, "if you have grown tired of blood and viscera, we have drier work with translations and general research."