Even with his limited vocabulary Donnie can read enough of the titles to figure there's probably nothing of interest here. A titan-turtle though..?

"No, focus," he tells himself, shaking his head as he tries to instead figure out if there's any place he can safely get to from this room. Otherwise he's going to have to try his luck in the vents again and while he suspects that'll be his best way of egress, he isn't immediately interested in diving back in again. ...but he should probably replace the grate, enough that it can pass suspicion at a glance. He does so, and then it's back to studying the hallway. He listens as he peeks beneath the door before opening it a crack. At least it sounds like Angelika's still managing all right on her end...