She hadn't seen Jude. But maybe that meant Jude was safe? He may have been smart enough to stay at the library — even though Kieran knew Jude's bravery had always outweighed his self-preservation.

Kieran had to spend some time thinking of his own self-preservation. He stilled, eyeing the dragon, and drew his wand. Kieran turned to Fallon and mouthed — I don't think it knows we're here.

(Although given that he was mouthing it — he wasn't sure how much of that she would understand.)