"Ah," Remus 'corrected' with a grin. "But they were still only half-Black, as was Tonks. You can't definitively say it is the Black blood, as by the same argument you create more evidence to the contrary in Draco Malfoy, whose mother was Tonks' mother's sister. I'm afraid my hypothesis that Sirius is in a class by himself still holds merit, here," he added with a shrug and one of his pseudo-smirks. "Binns' class, however, is another matter entirely and one in which we are in complete agreement."
He couldn't help blinking a little at how casually she gave her blithe agreement on reforms and then had to remind himself that it was apparently an idea with which she grew up, not the foreign concept it seemed to be in his time. "Well, I can certainly use the help with getting things organized, as well as communicating with the other races. We've reached out the goblins. But, the merpeople and centaurs are right here as our nearest neighbours and we can't ignore them forever." He laughed softly. "So, yes, I think you can help. And, yes, book and paper work, but only for now."