While it can't be said that Martel doesn't notice his effect on the people around him (as much as this is just him, he's too consciously aware of it as a tool at his disposal to risk obliviousness), most of the time he doesn't really give a damn unless he's taking pains to tone it down. He can; he even does, often, with his subordinates and in semi-social situations, but exerting the effort to be charming is something he indulges only in small amounts, lately. Now is one of those 'not giving a damn' moments, and it's only incidental.

(Well, to him.)

"These were aside for you." Proffering the books, he taps the top title, one that he'd added after noting the sort of texts that Wolfgang usually asks for (yes, he is paying that close attention, though more by nature than interest), "You'll retain more if you ground yourself in the theory with this first."